47 #define BLOCK_TYPE_AUDIO 1
48 #define BLOCK_TYPE_INITIAL 2
49 #define BLOCK_TYPE_SILENCE 3
57 0x000, 0x008, 0x010, 0x020, 0x030, 0x040, 0x050, 0x060, 0x070, 0x080,
58 0x090, 0x0A0, 0x0B0, 0x0C0, 0x0D0, 0x0E0, 0x0F0, 0x100, 0x110, 0x120,
59 0x130, 0x140, 0x150, 0x160, 0x170, 0x180, 0x190, 0x1A0, 0x1B0, 0x1C0,
60 0x1D0, 0x1E0, 0x1F0, 0x200, 0x208, 0x210, 0x218, 0x220, 0x228, 0x230,
61 0x238, 0x240, 0x248, 0x250, 0x258, 0x260, 0x268, 0x270, 0x278, 0x280,
62 0x288, 0x290, 0x298, 0x2A0, 0x2A8, 0x2B0, 0x2B8, 0x2C0, 0x2C8, 0x2D0,
63 0x2D8, 0x2E0, 0x2E8, 0x2F0, 0x2F8, 0x300, 0x308, 0x310, 0x318, 0x320,
64 0x328, 0x330, 0x338, 0x340, 0x348, 0x350, 0x358, 0x360, 0x368, 0x370,
65 0x378, 0x380, 0x388, 0x390, 0x398, 0x3A0, 0x3A8, 0x3B0, 0x3B8, 0x3C0,
66 0x3C8, 0x3D0, 0x3D8, 0x3E0, 0x3E8, 0x3F0, 0x3F8, 0x400, 0x440, 0x480,
67 0x4C0, 0x500, 0x540, 0x580, 0x5C0, 0x600, 0x640, 0x680, 0x6C0, 0x700,
68 0x740, 0x780, 0x7C0, 0x800, 0x900, 0xA00, 0xB00, 0xC00, 0xD00, 0xE00,
69 0xF00, 0x1000, 0x1400, 0x1800, 0x1C00, 0x2000, 0x3000, 0x4000
99 "block align = %d, sample rate = %d\n",
110 const uint8_t *buf_end = buf + buf_size;
123 while (buf < buf_end) {
136 int *got_frame_ptr,
AVPacket *avpkt)
138 const uint8_t *buf = avpkt->
data;
139 const uint8_t *buf_end;
140 int buf_size = avpkt->
size;
142 int block_type, silent_chunks, audio_chunks;
144 uint8_t *output_samples_u8;
145 int16_t *output_samples_s16;
180 audio_chunks = buf_size /
s->chunk_size;
183 buf_size = audio_chunks *
s->chunk_size;
185 if (silent_chunks + audio_chunks >= INT_MAX / avctx->
block_align)
193 output_samples_u8 =
frame->data[0];
194 output_samples_s16 = (int16_t *)
frame->data[0];
197 if (silent_chunks > 0) {
198 int silent_size = avctx->
block_align * silent_chunks;
201 if (
s->out_bps == 2) {
202 memset(output_samples_s16, 0x00, silent_size * 2);
203 output_samples_s16 += silent_size;
205 memset(output_samples_u8, 0x80, silent_size);
206 output_samples_u8 += silent_size;
211 if (audio_chunks > 0) {
212 buf_end = buf + buf_size;
214 while (buf_end - buf >=
s->chunk_size) {
215 if (
s->out_bps == 2) {
219 memcpy(output_samples_u8, buf,
s->chunk_size);
222 buf +=
s->chunk_size;
232 .
p.
name =
"vmdaudio",