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libxavs: split extradata writing out of encode_nals().

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This is done in preparation for the following patch implementing
encode2().

This commit is analogous to 05d699222d for
libx264.
This commit is contained in:
Anton Khirnov 2012-02-06 07:34:57 +01:00
parent 8e8124e173
commit a5f848c86d
1 changed files with 18 additions and 11 deletions
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29
libavcodec/libxavs.c
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@ -86,14 +86,6 @@ static int encode_nals(AVCodecContext *ctx, uint8_t *buf,
}
for (i = 0; i < nnal; i++) {
/* Don't put the SEI in extradata. */
if (skip_sei && nals[i].i_type == NAL_SEI) {
x4->sei = av_malloc( 5 + nals[i].i_payload * 4 / 3 );
if (xavs_nal_encode(x4->sei, &x4->sei_size, 1, nals + i) < 0)
return -1;
continue;
}
s = xavs_nal_encode(p, &size, 1, nals + i);
if (s < 0)
return -1;
@ -329,12 +321,27 @@ static av_cold int XAVS_init(AVCodecContext *avctx)
/* We Have PPS and SPS in AVS */
if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
xavs_nal_t *nal;
int nnal, s;
int nnal, s, i, size;
uint8_t *p;
s = xavs_encoder_headers(x4->enc, &nal, &nnal);
avctx->extradata = av_malloc(s);
avctx->extradata_size = encode_nals(avctx, avctx->extradata, s, nal, nnal, 1);
avctx->extradata = p = av_malloc(s);
for (i = 0; i < nnal; i++) {
/* Don't put the SEI in extradata. */
if (nal[i].i_type == NAL_SEI) {
x4->sei = av_malloc( 5 + nal[i].i_payload * 4 / 3 );
if (xavs_nal_encode(x4->sei, &x4->sei_size, 1, nal + i) < 0)
return -1;
continue;
}
size = xavs_nal_encode(p, &s, 1, nal + i);
if (size < 0)
return -1;
p += size;
}
avctx->extradata_size = p - avctx->extradata;
}
return 0;
}