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avcodec/ttmlenc: split header writing into its own function
Signed-off-by: Jan Ekström <jan.ekstrom@24i.com>
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343d54a733
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@ -173,16 +173,8 @@ static av_cold int ttml_encode_close(AVCodecContext *avctx)
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return 0;
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}
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static av_cold int ttml_encode_init(AVCodecContext *avctx)
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static int ttml_write_header_content(AVCodecContext *avctx)
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{
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TTMLContext *s = avctx->priv_data;
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s->avctx = avctx;
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if (!(s->ass_ctx = ff_ass_split(avctx->subtitle_header))) {
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return AVERROR_INVALIDDATA;
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}
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if (!(avctx->extradata = av_mallocz(TTMLENC_EXTRADATA_SIGNATURE_SIZE +
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1 + AV_INPUT_BUFFER_PADDING_SIZE))) {
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return AVERROR(ENOMEM);
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@ -192,8 +184,25 @@ static av_cold int ttml_encode_init(AVCodecContext *avctx)
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memcpy(avctx->extradata, TTMLENC_EXTRADATA_SIGNATURE,
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TTMLENC_EXTRADATA_SIGNATURE_SIZE);
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return 0;
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}
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static av_cold int ttml_encode_init(AVCodecContext *avctx)
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{
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TTMLContext *s = avctx->priv_data;
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int ret = AVERROR_BUG;
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s->avctx = avctx;
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av_bprint_init(&s->buffer, 0, AV_BPRINT_SIZE_UNLIMITED);
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if (!(s->ass_ctx = ff_ass_split(avctx->subtitle_header))) {
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return AVERROR_INVALIDDATA;
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}
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if ((ret = ttml_write_header_content(avctx)) < 0) {
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return ret;
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}
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return 0;
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}
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