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spdifenc: update 482d98f69b to the latest patch 

"spdifenc: IEC 61937 encapsulation of DTS-HD for HDMI"
This commit is contained in:
Janne Grunau 2011-02-13 17:18:07 +01:00
parent 50d7140441
commit ec25f83bd9
1 changed files with 9 additions and 18 deletions
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27
libavformat/spdifenc.c
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@ -142,24 +142,15 @@ static int spdif_header_eac3(AVFormatContext *s, AVPacket *pkt)
* the outputted IEC 61937 stream is higher.
* The repetition period is measured in IEC 60958 frames (4 bytes).
*/
enum {
DTS4_REP_PER_512 = 0x0,
DTS4_REP_PER_1024 = 0x1,
DTS4_REP_PER_2048 = 0x2,
DTS4_REP_PER_4096 = 0x3,
DTS4_REP_PER_8192 = 0x4,
DTS4_REP_PER_16384 = 0x5,
};
static int spdif_dts4_subtype(int period)
{
switch (period) {
case 512: return DTS4_REP_PER_512;
case 1024: return DTS4_REP_PER_1024;
case 2048: return DTS4_REP_PER_2048;
case 4096: return DTS4_REP_PER_4096;
case 8192: return DTS4_REP_PER_8192;
case 16384: return DTS4_REP_PER_16384;
case 512: return 0x0;
case 1024: return 0x1;
case 2048: return 0x2;
case 4096: return 0x3;
case 8192: return 0x4;
case 16384: return 0x5;
}
return -1;
}
@ -212,7 +203,8 @@ static int spdif_header_dts4(AVFormatContext *s, AVPacket *pkt, int core_size,
if (ctx->dtshd_fallback > 0)
ctx->dtshd_skip = sample_rate * ctx->dtshd_fallback / (blocks << 5);
else
/* skip permanently (-1) or just once (0) */
/* skip permanently (dtshd_fallback == -1) or just once
* (dtshd_fallback == 0) */
ctx->dtshd_skip = 1;
}
if (ctx->dtshd_skip && core_size) {
@ -224,8 +216,7 @@ static int spdif_header_dts4(AVFormatContext *s, AVPacket *pkt, int core_size,
ctx->out_bytes = sizeof(dtshd_start_code) + 2 + pkt_size;
ctx->length_code = ctx->out_bytes;
ctx->hd_buf = av_fast_realloc(ctx->hd_buf, &ctx->hd_buf_size,
ctx->out_bytes);
av_fast_malloc(&ctx->hd_buf, &ctx->hd_buf_size, ctx->out_bytes);
if (!ctx->hd_buf)
return AVERROR(ENOMEM);