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annotate mediaplayer.c @ 2289:92449b47cce8

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Integrate VGM player into main blastem binary
author Michael Pavone <pavone@retrodev.com>
date Sat, 04 Feb 2023 22:44:44 -0800
parents
children c4980d89614b
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rev   line source
2289
92449b47cce8 Integrate VGM player into main blastem binary
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1 #include <stdlib.h>
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2 #include <stddef.h>
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3 #include <limits.h>
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4 #include <string.h>
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5 #include "mediaplayer.h"
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6 #include "io.h"
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7 #include "ym2612.h"
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8 #include "psg.h"
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9 #include "rf5c164.h"
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10 #include "util.h"
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11 #include "render.h"
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12
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13 #define ADJUST_BUFFER (12500000)
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14 #define MAX_NO_ADJUST (UINT_MAX-ADJUST_BUFFER)
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15 #define MAX_RUN_SAMPLES 128
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16
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17 enum {
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18 AUDIO_VGM,
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19 AUDIO_WAVE,
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20 AUDIO_FLAC,
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21 MEDIA_UNKNOWN
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22 };
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23
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24 enum {
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25 STATE_PLAY,
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26 STATE_PAUSED
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27 };
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28
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29 uint32_t cycles_to_samples(uint32_t clock_rate, uint32_t cycles)
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30 {
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31 return ((uint64_t)cycles) * ((uint64_t)44100) / ((uint64_t)clock_rate);
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32 }
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33
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34 uint32_t samples_to_cycles(uint32_t clock_rate, uint32_t cycles)
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35 {
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36 return ((uint64_t)cycles) * ((uint64_t)clock_rate) / ((uint64_t)44100);
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37 }
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38
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39 void ym_adjust(chip_info *chip)
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40 {
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41 ym2612_context *ym = chip->context;
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42 if (ym->current_cycle >= MAX_NO_ADJUST) {
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43 uint32_t deduction = ym->current_cycle - ADJUST_BUFFER;
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44 chip->samples -= cycles_to_samples(chip->clock, deduction);
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45 ym->current_cycle -= deduction;
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46 }
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47 }
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48
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49 void psg_adjust(chip_info *chip)
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50 {
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51 psg_context *psg = chip->context;
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52 if (psg->cycles >= MAX_NO_ADJUST) {
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53 uint32_t deduction = psg->cycles - ADJUST_BUFFER;
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54 chip->samples -= cycles_to_samples(chip->clock, deduction);
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55 psg->cycles -= deduction;
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56 }
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57 }
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58
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59 void pcm_adjust(chip_info *chip)
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60 {
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61 rf5c164 *pcm = chip->context;
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62 if (pcm->cycle >= MAX_NO_ADJUST) {
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63 uint32_t deduction = pcm->cycle - ADJUST_BUFFER;
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64 chip->samples -= cycles_to_samples(chip->clock, deduction);
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65 pcm->cycle -= deduction;
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66 }
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67 }
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68
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69 uint8_t *find_block(data_block *head, uint32_t offset, uint32_t size)
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70 {
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71 if (!head) {
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72 return NULL;
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73 }
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74 while (head->size < offset) {
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75 offset -= head->size;
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76 head = head->next;
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77 }
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78 if (head->size - offset < size) {
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79 return NULL;
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80 }
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81 return head->data + offset;
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82 }
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83
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84 void vgm_wait(media_player *player, uint32_t samples)
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85 {
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86 chip_info *chips = player->chips;
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87 uint32_t num_chips = player->num_chips;
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88 while (samples > MAX_RUN_SAMPLES)
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89 {
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90 vgm_wait(player, MAX_RUN_SAMPLES);
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91 samples -= MAX_RUN_SAMPLES;
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92 }
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93 for (uint32_t i = 0; i < num_chips; i++)
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94 {
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95 chips[i].samples += samples;
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96 chips[i].run(chips[i].context, samples_to_cycles(chips[i].clock, chips[i].samples));
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97 chips[i].adjust(chips + i);
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98 }
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99 }
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100
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101 void vgm_stop(media_player *player)
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102 {
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103 player->state = STATE_PAUSED;
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104 player->playback_time = 0;
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105 player->current_offset = player->vgm->data_offset + offsetof(vgm_header, data_offset);
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106 }
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107
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108 chip_info *find_chip(media_player *player, uint8_t cmd)
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109 {
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110 for (uint32_t i = 0; i < player->num_chips; i++)
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111 {
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112 if (player->chips[i].cmd == cmd) {
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113 return player->chips + i;
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114 }
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115 }
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116 return NULL;
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117 }
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118
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119 void *find_chip_context(media_player *player, uint8_t cmd)
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120 {
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121 chip_info *chip = find_chip(player, cmd);
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122 return chip ? chip->context : NULL;
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123 }
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124
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125 chip_info *find_chip_by_data(media_player *player, uint8_t data_type)
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126 {
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127 for (uint32_t i = 0; i < player->num_chips; i++)
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128 {
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129 if (player->chips[i].data_type == data_type) {
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130 return &player->chips[i];
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131 }
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132 }
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133 return NULL;
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134 }
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135
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136 static uint8_t read_byte(media_player *player)
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137 {
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138 uint8_t *buffer = player->media->buffer;
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139 return buffer[player->current_offset++];
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140 }
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141
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142 static uint16_t read_word_le(media_player *player)
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143 {
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144 uint8_t *buffer = player->media->buffer;
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145 uint16_t value = buffer[player->current_offset++];
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146 value |= buffer[player->current_offset++] << 8;
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diff changeset
147 return value;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
148 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
149
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
150 static uint32_t read_24_le(media_player *player)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
151 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
152 uint8_t *buffer = player->media->buffer;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
153 uint32_t value = buffer[player->current_offset++];
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
154 value |= buffer[player->current_offset++] << 8;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
155 value |= buffer[player->current_offset++] << 16;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 return value;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
157 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
158
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
159 static uint32_t read_long_le(media_player *player)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
160 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
161 uint8_t *buffer = player->media->buffer;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
162 uint32_t value = buffer[player->current_offset++];
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
163 value |= buffer[player->current_offset++] << 8;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
164 value |= buffer[player->current_offset++] << 16;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
165 value |= buffer[player->current_offset++] << 24;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
166 return value;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
167 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
168
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
169 void vgm_frame(media_player *player)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
170 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
171 for (uint32_t remaining_samples = 44100 / 60; remaining_samples > 0;)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
172 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
173 if (player->wait_samples) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
174 uint32_t to_wait = player->wait_samples;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
175 if (to_wait > remaining_samples) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
176 to_wait = remaining_samples;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
177 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
178 vgm_wait(player, to_wait);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
179 player->wait_samples -= to_wait;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
180 remaining_samples -= to_wait;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
181 if (player->wait_samples) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
182 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
184 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
185 if (player->current_offset >= player->media->size) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
186 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
187 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
188 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
189 uint8_t cmd = read_byte(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
190 psg_context *psg;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
191 ym2612_context *ym;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
192 rf5c164 *pcm;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
193 switch (cmd)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
194 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
195 case CMD_PSG_STEREO:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
196 psg = find_chip_context(player, CMD_PSG);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
197 if (!psg || player->current_offset > player->media->size - 1) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
198 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
199 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
200 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
201 psg->pan = read_byte(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
202 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
203 case CMD_PSG:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
204 psg = find_chip_context(player, CMD_PSG);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
205 if (!psg || player->current_offset > player->media->size - 1) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
206 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
207 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
208 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
209 psg_write(psg, read_byte(player));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
210 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
211 case CMD_YM2612_0:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
212 ym = find_chip_context(player, CMD_YM2612_0);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
213 if (!ym || player->current_offset > player->media->size - 2) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
214 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
215 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
216 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
217 ym_address_write_part1(ym, read_byte(player));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
218 ym_data_write(ym, read_byte(player));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220 case CMD_YM2612_1:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
221 ym = find_chip_context(player, CMD_YM2612_0);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
222 if (!ym || player->current_offset > player->media->size - 2) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
223 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
224 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
225 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
226 ym_address_write_part2(ym, read_byte(player));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
227 ym_data_write(ym, read_byte(player));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
228 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
229 case CMD_WAIT: {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
230 if (player->current_offset > player->media->size - 2) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
231 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
232 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
233 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
234 player->wait_samples += read_word_le(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
235 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
236 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
237 case CMD_WAIT_60:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
238 player->wait_samples += 735;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
239 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
240 case CMD_WAIT_50:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
241 player->wait_samples += 882;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
242 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
243 case CMD_END:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
244 //TODO: loops
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
245 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
246 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
247 case CMD_PCM_WRITE: {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
248 if (player->current_offset > player->media->size - 11) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
249 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
250 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
251 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
252 player->current_offset++; //skip compatibility command
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
253 uint8_t data_type = read_byte(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
254 uint32_t read_offset = read_24_le(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
255 uint32_t write_offset = read_24_le(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
256 uint16_t size = read_24_le(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
257 chip_info *chip = find_chip_by_data(player, data_type);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
258 if (!chip || !chip->blocks) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
259 warning("Failed to find data block list for type %d\n", data_type);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
260 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
261 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
262 uint8_t *src = find_block(chip->blocks, read_offset, size);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
263 if (!src) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
264 warning("Failed to find data offset %X with size %X for chip type %d\n", read_offset, size, data_type);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
265 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
266 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
267 switch (data_type)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
268 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
269 case DATA_RF5C68:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
270 case DATA_RF5C164:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
271 pcm = chip->context;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
272 write_offset |= pcm->ram_bank;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
273 write_offset &= 0xFFFF;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
274 if (size + write_offset > 0x10000) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
275 size = 0x10000 - write_offset;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
276 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
277 memcpy(pcm->ram + write_offset, src, size);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
278 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
279 default:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
280 warning("Unknown PCM write read_offset %X, write_offset %X, size %X\n", read_offset, write_offset, size);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
281 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
282 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
283 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
284 case CMD_PCM68_REG:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
285 pcm = find_chip_context(player, CMD_PCM68_REG);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
286 if (!pcm || player->current_offset > player->media->size - 2) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
287 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
288 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
289 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
290 uint8_t reg = read_byte(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
291 uint8_t value = read_byte(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
292 rf5c164_write(pcm, reg, value);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
293 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
294 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
295 case CMD_PCM164_REG:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
296 pcm = find_chip_context(player, CMD_PCM164_REG);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
297 if (!pcm || player->current_offset > player->media->size - 2) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
298 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
299 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
300 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
301 uint8_t reg = read_byte(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
302 uint8_t value = read_byte(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
303 rf5c164_write(pcm, reg, value);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
304 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
305 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
306 case CMD_PCM68_RAM:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
307 pcm = find_chip_context(player, CMD_PCM68_REG);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
308 if (!pcm || player->current_offset > player->media->size - 3) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
309 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
310 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
311 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
312 uint16_t address = read_word_le(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
313 address &= 0xFFF;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
314 address |= 0x1000;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
315 rf5c164_write(pcm, address, read_byte(player));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
316 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
317 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
318 case CMD_PCM164_RAM:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
319 pcm = find_chip_context(player, CMD_PCM164_REG);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
320 if (!pcm || player->current_offset > player->media->size - 3) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
321 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
322 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
323 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
324 uint16_t address = read_word_le(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
325 address &= 0xFFF;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
326 address |= 0x1000;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
327 rf5c164_write(pcm, address, read_byte(player));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
328 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
329 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
330 case CMD_DATA:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
331 if (player->current_offset > player->media->size - 6) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
332 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
333 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
334 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
335 player->current_offset++; //skip compat command
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
336 uint8_t data_type = read_byte(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
337 uint32_t data_size = read_long_le(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
338 if (data_size > player->media->size || player->current_offset > player->media->size - data_size) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
339 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
340 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
341 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
342 chip_info *chip = find_chip_by_data(player, data_type);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
343 if (chip) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
344 data_block **cur = &(chip->blocks);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
345 while (*cur)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
346 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
347 cur = &((*cur)->next);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
348 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
349 *cur = calloc(1, sizeof(data_block));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
350 (*cur)->size = data_size;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
351 (*cur)->type = data_type;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
352 (*cur)->data = ((uint8_t *)player->media->buffer) + player->current_offset;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
353 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
354 fprintf(stderr, "Skipping data block with unrecognized type %X\n", data_type);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
355 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
356 player->current_offset += data_size;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
357 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
358 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
359 case CMD_DATA_SEEK:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
360 if (player->current_offset > player->media->size - 4) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
361 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
362 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
363 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
364 uint32_t new_offset = read_long_le(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
365 if (!player->ym_seek_block || new_offset < player->ym_seek_offset) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
366 chip_info *chip = find_chip(player, CMD_YM2612_0);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
367 if (!chip) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
368 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
369 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
370 player->ym_seek_block = chip->blocks;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
371 player->ym_seek_offset = 0;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
372 player->ym_block_offset = 0;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
373 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
374 while (player->ym_seek_block && (player->ym_seek_offset - player->ym_block_offset + player->ym_seek_block->size) < new_offset)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
375 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
376 player->ym_seek_offset += player->ym_seek_block->size - player->ym_block_offset;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
377 player->ym_seek_block = player->ym_seek_block->next;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
378 player->ym_block_offset = 0;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
379 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
380 player->ym_block_offset += new_offset - player->ym_seek_offset;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
381 player->ym_seek_offset = new_offset;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
382 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
383 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
384 default:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
385 if (cmd >= CMD_WAIT_SHORT && cmd < (CMD_WAIT_SHORT + 0x10)) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
386 uint32_t wait_time = (cmd & 0xF) + 1;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
387 player->wait_samples += wait_time;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
388 } else if (cmd >= CMD_YM2612_DAC && cmd < CMD_DAC_STREAM_SETUP) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
389 if (player->ym_seek_block) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
390 ym = find_chip_context(player, CMD_YM2612_0);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
391 ym_address_write_part1(ym, 0x2A);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
392 ym_data_write(ym, player->ym_seek_block->data[player->ym_block_offset++]);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
393 player->ym_seek_offset++;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
394 if (player->ym_block_offset > player->ym_seek_block->size) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
395 player->ym_seek_block = player->ym_seek_block->next;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
396 player->ym_block_offset = 0;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
397 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
398 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
399 fputs("Encountered DAC write command but data seek pointer is invalid!\n", stderr);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
400 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
401 player->wait_samples += cmd & 0xF;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
402 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
403 warning("unimplemented command: %X at offset %X\n", cmd, player->current_offset);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
404 vgm_stop(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
405 return;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
406 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
407 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
408 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
409 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
410
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
411 void wave_frame(media_player *player)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
412 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
413 render_sleep_ms(15);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
414 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
415
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
416 void flac_frame(media_player *player)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
417 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
418 render_sleep_ms(15);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
419 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
420
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
421 void vgm_init(media_player *player, uint32_t opts)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
422 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
423 player->vgm = calloc(1, sizeof(vgm_header));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
424 player->vgm_ext = NULL;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
425 memcpy(player->vgm, player->media->buffer, sizeof(vgm_header));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
426 if (player->vgm->version < 0x150 || !player->vgm->data_offset) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
427 player->vgm->data_offset = 0xC;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
428 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
429 if (player->vgm->data_offset + offsetof(vgm_header, data_offset) > player->media->size) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
430 player->vgm->data_offset = player->media->size - offsetof(vgm_header, data_offset);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
431 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
432 if (player->vgm->version <= 0x101 && player->vgm->ym2413_clk > 4000000) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
433 player->vgm->ym2612_clk = player->vgm->ym2413_clk;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
434 player->vgm->ym2413_clk = 0;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
435 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
436 if (player->vgm->data_offset > 0xC) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
437 player->vgm_ext = calloc(1, sizeof(vgm_extended_header));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
438 size_t additional_header = player->vgm->data_offset + offsetof(vgm_header, data_offset) - sizeof(vgm_header);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
439 if (additional_header > sizeof(vgm_extended_header)) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
440 additional_header = sizeof(vgm_extended_header);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
441 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
442 memcpy(player->vgm_ext, ((uint8_t *)player->media->buffer) + sizeof(vgm_header), additional_header);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
443 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
444 player->num_chips = 0;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
445 if (player->vgm->sn76489_clk) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
446 player->num_chips++;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
447 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
448 if (player->vgm->ym2612_clk) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
449 player->num_chips++;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
450 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
451 if (player->vgm_ext && player->vgm_ext->rf5c68_clk) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
452 player->num_chips++;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
453 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
454 if (player->vgm_ext && player->vgm_ext->rf5c164_clk) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
455 player->num_chips++;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
456 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
457 player->chips = calloc(player->num_chips, sizeof(chip_info));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
458 uint32_t chip = 0;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
459 if (player->vgm->sn76489_clk) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
460 psg_context *psg = calloc(1, sizeof(psg_context));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
461 psg_init(psg, player->vgm->sn76489_clk, 1);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
462 player->chips[chip++] = (chip_info) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
463 .context = psg,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
464 .run = (chip_run_fun)psg_run,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
465 .adjust = psg_adjust,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
466 .clock = player->vgm->sn76489_clk,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
467 .samples = 0,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
468 .cmd = CMD_PSG,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
469 .data_type = 0xFF
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
470 };
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
471 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
472 if (player->vgm->ym2612_clk) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
473 ym2612_context *ym = calloc(1, sizeof(ym2612_context));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
474 ym_init(ym, player->vgm->ym2612_clk, 1, opts);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
475 player->chips[chip++] = (chip_info) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
476 .context = ym,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
477 .run = (chip_run_fun)ym_run,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
478 .adjust = ym_adjust,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
479 .clock = player->vgm->ym2612_clk,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
480 .samples = 0,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
481 .cmd = CMD_YM2612_0,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
482 .data_type = DATA_YM2612_PCM
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
483 };
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
484 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
485 if (player->vgm_ext && player->vgm_ext->rf5c68_clk) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
486 rf5c164 *pcm = calloc(1, sizeof(rf5c164));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
487 rf5c164_init(pcm, player->vgm_ext->rf5c68_clk, 1);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
488 player->chips[chip++] = (chip_info) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
489 .context = pcm,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
490 .run = (chip_run_fun)rf5c164_run,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
491 .adjust = pcm_adjust,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
492 .clock = player->vgm_ext->rf5c68_clk,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
493 .samples = 0,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
494 .cmd = CMD_PCM68_REG,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
495 .data_type = DATA_RF5C68
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
496 };
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
497 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
498 if (player->vgm_ext && player->vgm_ext->rf5c164_clk) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
499 rf5c164 *pcm = calloc(1, sizeof(rf5c164));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
500 rf5c164_init(pcm, player->vgm_ext->rf5c164_clk, 1);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
501 player->chips[chip++] = (chip_info) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
502 .context = pcm,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
503 .run = (chip_run_fun)rf5c164_run,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
504 .adjust = pcm_adjust,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
505 .clock = player->vgm_ext->rf5c164_clk,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
506 .samples = 0,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
507 .cmd = CMD_PCM164_REG,
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
508 .data_type = DATA_RF5C164
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
509 };
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
510 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
511 player->current_offset = player->vgm->data_offset + offsetof(vgm_header, data_offset);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
512 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
513
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
514 static void resume_player(system_header *system)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
515 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
516 media_player *player = (media_player *)system;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
517 player->should_return = 0;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
518 while (!player->header.should_exit && !player->should_return)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
519 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
520 switch (player->state)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
521 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
522 case STATE_PLAY:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
523 switch(player->media_type)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
524 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
525 case AUDIO_VGM:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
526 vgm_frame(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
527 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
528 case AUDIO_WAVE:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
529 wave_frame(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
530 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
531 case AUDIO_FLAC:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
532 flac_frame(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
533 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
534 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
535 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
536 case STATE_PAUSED:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
537 render_sleep_ms(15);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
538 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
539 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
540 render_update_display();
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
541 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
542 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
543
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
544 static void gamepad_down(system_header *system, uint8_t pad, uint8_t button)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
545 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
546 if (button >= BUTTON_A && button <= BUTTON_C) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
547 media_player *player = (media_player *)system;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
548 if (player->state == STATE_PAUSED) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
549 player->state = STATE_PLAY;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
550 puts("Now playing");
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
551 } else {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
552 player->state = STATE_PAUSED;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
553 puts("Now paused");
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
554 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
555 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
556 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
557
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
558 static void gamepad_up(system_header *system, uint8_t pad, uint8_t button)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
559 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
560 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
561
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
562 static void start_player(system_header *system, char *statefile)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
563 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
564 resume_player(system);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
565 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
566
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
567 static void free_player(system_header *system)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
568 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
569 media_player *player = (media_player *)system;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
570 for (uint32_t i = 0; i < player->num_chips; i++)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
571 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
572 //TODO properly free chips
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
573 free(player->chips[i].context);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
574 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
575 free(player->chips);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
576 free(player->vgm);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
577 free(player);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
578 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
579
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
580 uint8_t detect_media_type(system_media *media)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
581 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
582 if (media->size < 4) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
583 return MEDIA_UNKNOWN;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
584 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
585 if (!memcmp(media->buffer, "Vgm ", 4)) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
586 if (media->size < sizeof(vgm_header)) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
587 return MEDIA_UNKNOWN;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
588 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
589 return AUDIO_VGM;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
590 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
591 if (!memcmp(media->buffer, "RIFF", 4)) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
592 return AUDIO_WAVE;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
593 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
594 if (!memcmp(media->buffer, "fLaC", 4)) {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
595 return AUDIO_FLAC;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
596 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
597 return MEDIA_UNKNOWN;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
598 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
599
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
600 static void request_exit(system_header *system)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
601 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
602 media_player *player = (media_player *)system;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
603 player->should_return = 1;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
604 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
605
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
606 media_player *alloc_media_player(system_media *media, uint32_t opts)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
607 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
608 media_player *player = calloc(1, sizeof(media_player));
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
609 player->header.start_context = start_player;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
610 player->header.resume_context = resume_player;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
611 player->header.request_exit = request_exit;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
612 player->header.free_context = free_player;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
613 player->header.gamepad_down = gamepad_down;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
614 player->header.gamepad_up = gamepad_down;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
615 player->header.type = SYSTEM_MEDIA_PLAYER;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
616 player->header.info.name = strdup(media->name);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
617
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
618 player->media = media;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
619 player->media_type = detect_media_type(media);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
620 player->state = STATE_PLAY;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
621 switch (player->media_type)
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
622 {
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
623 case AUDIO_VGM:
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
624 vgm_init(player, opts);
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
625 break;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
626 }
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
627
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
628 return player;
92449b47cce8 Integrate VGM player into main blastem binary
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
629 }