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dpcm: misc pretty-printing

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This commit is contained in:
Justin Ruggles
2011-09-11 12:37:17 -04:00
parent 1de8401c56
commit 4bad464e7f
1 changed files with 20 additions and 20 deletions
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28
libavcodec/dpcm.c
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@ -84,13 +84,15 @@ static const int interplay_delta_table[] = {
}; };
static const int sol_table_old[16] = static const int sol_table_old[16] = {
{ 0x0, 0x1, 0x2 , 0x3, 0x6, 0xA, 0xF, 0x15, 0x0, 0x1, 0x2, 0x3, 0x6, 0xA, 0xF, 0x15,
-0x15, -0xF, -0xA, -0x6, -0x3, -0x2, -0x1, 0x0}; -0x15, -0xF, -0xA, -0x6, -0x3, -0x2, -0x1, 0x0
};
static const int sol_table_new[16] = static const int sol_table_new[16] = {
{ 0x0, 0x1, 0x2, 0x3, 0x6, 0xA, 0xF, 0x15, 0x0, 0x1, 0x2, 0x3, 0x6, 0xA, 0xF, 0x15,
0x0, -0x1, -0x2, -0x3, -0x6, -0xA, -0xF, -0x15}; 0x0, -0x1, -0x2, -0x3, -0x6, -0xA, -0xF, -0x15
};
static const int sol_table_16[128] = { static const int sol_table_16[128] = {
0x000, 0x008, 0x010, 0x020, 0x030, 0x040, 0x050, 0x060, 0x070, 0x080, 0x000, 0x008, 0x010, 0x020, 0x030, 0x040, 0x050, 0x060, 0x070, 0x080,
@ -109,7 +111,6 @@ static const int sol_table_16[128] = {
}; };
static av_cold int dpcm_decode_init(AVCodecContext *avctx) static av_cold int dpcm_decode_init(AVCodecContext *avctx)
{ {
DPCMContext *s = avctx->priv_data; DPCMContext *s = avctx->priv_data;
@ -125,24 +126,23 @@ static av_cold int dpcm_decode_init(AVCodecContext *avctx)
/* initialize square table */ /* initialize square table */
for (i = 0; i < 128; i++) { for (i = 0; i < 128; i++) {
square = i * i; square = i * i;
s->roq_square_array[i] = square; s->roq_square_array[i ] = square;
s->roq_square_array[i + 128] = -square; s->roq_square_array[i + 128] = -square;
} }
break; break;
case CODEC_ID_SOL_DPCM: case CODEC_ID_SOL_DPCM:
switch(avctx->codec_tag){ switch(avctx->codec_tag){
case 1: case 1:
s->sol_table=sol_table_old; s->sol_table = sol_table_old;
s->sample[0] = s->sample[1] = 0x80; s->sample[0] = s->sample[1] = 0x80;
break; break;
case 2: case 2:
s->sol_table=sol_table_new; s->sol_table = sol_table_new;
s->sample[0] = s->sample[1] = 0x80; s->sample[0] = s->sample[1] = 0x80;
break; break;
case 3: case 3:
s->sol_table=sol_table_16; s->sol_table = sol_table_16;
break; break;
default: default:
av_log(avctx, AV_LOG_ERROR, "Unknown SOL subcodec\n"); av_log(avctx, AV_LOG_ERROR, "Unknown SOL subcodec\n");
@ -162,8 +162,8 @@ static av_cold int dpcm_decode_init(AVCodecContext *avctx)
return 0; return 0;
} }
static int dpcm_decode_frame(AVCodecContext *avctx,
void *data, int *data_size, static int dpcm_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
AVPacket *avpkt) AVPacket *avpkt)
{ {
const uint8_t *buf = avpkt->data; const uint8_t *buf = avpkt->data;