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avcodec/ttmlenc: split header writing into its own function

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Signed-off-by: Jan Ekström <jan.ekstrom@24i.com>
This commit is contained in:
Jan Ekström 2021-03-15 12:41:18 +02:00 committed by Jan Ekström
parent 343d54a733
commit b71184faef
1 changed files with 18 additions and 9 deletions
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27
libavcodec/ttmlenc.c
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@ -173,16 +173,8 @@ static av_cold int ttml_encode_close(AVCodecContext *avctx)
return 0;
}
static av_cold int ttml_encode_init(AVCodecContext *avctx)
static int ttml_write_header_content(AVCodecContext *avctx)
{
TTMLContext *s = avctx->priv_data;
s->avctx = avctx;
if (!(s->ass_ctx = ff_ass_split(avctx->subtitle_header))) {
return AVERROR_INVALIDDATA;
}
if (!(avctx->extradata = av_mallocz(TTMLENC_EXTRADATA_SIGNATURE_SIZE +
1 + AV_INPUT_BUFFER_PADDING_SIZE))) {
return AVERROR(ENOMEM);
@ -192,8 +184,25 @@ static av_cold int ttml_encode_init(AVCodecContext *avctx)
memcpy(avctx->extradata, TTMLENC_EXTRADATA_SIGNATURE,
TTMLENC_EXTRADATA_SIGNATURE_SIZE);
return 0;
}
static av_cold int ttml_encode_init(AVCodecContext *avctx)
{
TTMLContext *s = avctx->priv_data;
int ret = AVERROR_BUG;
s->avctx = avctx;
av_bprint_init(&s->buffer, 0, AV_BPRINT_SIZE_UNLIMITED);
if (!(s->ass_ctx = ff_ass_split(avctx->subtitle_header))) {
return AVERROR_INVALIDDATA;
}
if ((ret = ttml_write_header_content(avctx)) < 0) {
return ret;
}
return 0;
}