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Support yuva422p in ffv1.
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@ -964,6 +964,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
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s->colorspace= 0;
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break;
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case PIX_FMT_YUVA444P:
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case PIX_FMT_YUVA422P:
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case PIX_FMT_YUVA420P:
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s->chroma_planes= 1;
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s->colorspace= 0;
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@ -1804,6 +1805,7 @@ static int read_header(FFV1Context *f){
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}else if(f->avctx->bits_per_raw_sample<=8 && f->transparency){
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switch(16*f->chroma_h_shift + f->chroma_v_shift){
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case 0x00: f->avctx->pix_fmt= PIX_FMT_YUVA444P; break;
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case 0x10: f->avctx->pix_fmt= PIX_FMT_YUVA422P; break;
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case 0x11: f->avctx->pix_fmt= PIX_FMT_YUVA420P; break;
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default:
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av_log(f->avctx, AV_LOG_ERROR, "format not supported\n");
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