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@ -26,12 +26,12 @@ |
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static av_cold int decode_init(AVCodecContext *avctx) |
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{ |
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if(avctx->width & 1){ |
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if (avctx->width & 1) { |
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av_log(avctx, AV_LOG_ERROR, "v210x needs even width\n"); |
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return AVERROR(EINVAL); |
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} |
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avctx->pix_fmt = AV_PIX_FMT_YUV422P16; |
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avctx->bits_per_raw_sample= 10; |
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avctx->pix_fmt = AV_PIX_FMT_YUV422P16; |
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avctx->bits_per_raw_sample = 10; |
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avctx->coded_frame= avcodec_alloc_frame(); |
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@ -41,82 +41,82 @@ static av_cold int decode_init(AVCodecContext *avctx) |
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static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, |
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AVPacket *avpkt) |
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{ |
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int y=0; |
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int width= avctx->width; |
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AVFrame *pic= avctx->coded_frame; |
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const uint32_t *src= (const uint32_t *)avpkt->data; |
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const uint32_t *src = (const uint32_t *)avpkt->data; |
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AVFrame *pic = avctx->coded_frame; |
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int width = avctx->width; |
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int y = 0; |
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uint16_t *ydst, *udst, *vdst, *yend; |
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int ret; |
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if(pic->data[0]) |
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if (pic->data[0]) |
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avctx->release_buffer(avctx, pic); |
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if(avpkt->size < avctx->width * avctx->height * 8 / 3){ |
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if (avpkt->size < avctx->width * avctx->height * 8 / 3) { |
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av_log(avctx, AV_LOG_ERROR, "Packet too small\n"); |
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return AVERROR_INVALIDDATA; |
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} |
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if(avpkt->size > avctx->width * avctx->height * 8 / 3){ |
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if (avpkt->size > avctx->width * avctx->height * 8 / 3) { |
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av_log_ask_for_sample(avctx, "Probably padded data\n"); |
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} |
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pic->reference= 0; |
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pic->reference = 0; |
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if ((ret = ff_get_buffer(avctx, pic)) < 0) |
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return ret; |
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ydst= (uint16_t *)pic->data[0]; |
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udst= (uint16_t *)pic->data[1]; |
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vdst= (uint16_t *)pic->data[2]; |
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yend= ydst + width; |
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pic->pict_type= AV_PICTURE_TYPE_I; |
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pic->key_frame= 1; |
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for(;;){ |
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uint32_t v= av_be2ne32(*src++); |
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*udst++= (v>>16) & 0xFFC0; |
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*ydst++= (v>>6 ) & 0xFFC0; |
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*vdst++= (v<<4 ) & 0xFFC0; |
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v= av_be2ne32(*src++); |
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*ydst++= (v>>16) & 0xFFC0; |
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if(ydst >= yend){ |
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ydst+= pic->linesize[0]/2 - width; |
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udst+= pic->linesize[1]/2 - width/2; |
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vdst+= pic->linesize[2]/2 - width/2; |
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yend= ydst + width; |
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if(++y >= avctx->height) |
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ydst = (uint16_t *)pic->data[0]; |
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udst = (uint16_t *)pic->data[1]; |
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vdst = (uint16_t *)pic->data[2]; |
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yend = ydst + width; |
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pic->pict_type = AV_PICTURE_TYPE_I; |
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pic->key_frame = 1; |
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for (;;) { |
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uint32_t v = av_be2ne32(*src++); |
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*udst++ = (v >> 16) & 0xFFC0; |
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*ydst++ = (v >> 6 ) & 0xFFC0; |
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*vdst++ = (v << 4 ) & 0xFFC0; |
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v = av_be2ne32(*src++); |
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*ydst++ = (v >> 16) & 0xFFC0; |
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if (ydst >= yend) { |
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ydst += pic->linesize[0] / 2 - width; |
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udst += pic->linesize[1] / 2 - width / 2; |
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vdst += pic->linesize[2] / 2 - width / 2; |
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yend = ydst + width; |
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if (++y >= avctx->height) |
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break; |
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} |
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*udst++= (v>>6 ) & 0xFFC0; |
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*ydst++= (v<<4 ) & 0xFFC0; |
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*udst++ = (v >> 6 ) & 0xFFC0; |
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*ydst++ = (v << 4 ) & 0xFFC0; |
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v= av_be2ne32(*src++); |
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*vdst++= (v>>16) & 0xFFC0; |
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*ydst++= (v>>6 ) & 0xFFC0; |
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v = av_be2ne32(*src++); |
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*vdst++ = (v >> 16) & 0xFFC0; |
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*ydst++ = (v >> 6 ) & 0xFFC0; |
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if(ydst >= yend){ |
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ydst+= pic->linesize[0]/2 - width; |
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udst+= pic->linesize[1]/2 - width/2; |
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vdst+= pic->linesize[2]/2 - width/2; |
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yend= ydst + width; |
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if(++y >= avctx->height) |
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if (ydst >= yend) { |
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ydst += pic->linesize[0] / 2 - width; |
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udst += pic->linesize[1] / 2 - width / 2; |
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vdst += pic->linesize[2] / 2 - width / 2; |
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yend = ydst + width; |
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if (++y >= avctx->height) |
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break; |
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} |
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*udst++= (v<<4 ) & 0xFFC0; |
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v= av_be2ne32(*src++); |
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*ydst++= (v>>16) & 0xFFC0; |
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*vdst++= (v>>6 ) & 0xFFC0; |
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*ydst++= (v<<4 ) & 0xFFC0; |
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if(ydst >= yend){ |
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ydst+= pic->linesize[0]/2 - width; |
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udst+= pic->linesize[1]/2 - width/2; |
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vdst+= pic->linesize[2]/2 - width/2; |
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yend= ydst + width; |
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if(++y >= avctx->height) |
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*udst++ = (v << 4 ) & 0xFFC0; |
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v = av_be2ne32(*src++); |
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*ydst++ = (v >> 16) & 0xFFC0; |
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*vdst++ = (v >> 6 ) & 0xFFC0; |
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*ydst++ = (v << 4 ) & 0xFFC0; |
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if (ydst >= yend) { |
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ydst += pic->linesize[0] / 2 - width; |
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udst += pic->linesize[1] / 2 - width / 2; |
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vdst += pic->linesize[2] / 2 - width / 2; |
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yend = ydst + width; |
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if (++y >= avctx->height) |
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break; |
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} |
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} |
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