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@ -36,7 +36,7 @@ typedef struct BFIContext { |
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uint8_t *dst; |
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} BFIContext; |
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static av_cold int bfi_decode_init(AVCodecContext * avctx) |
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static av_cold int bfi_decode_init(AVCodecContext *avctx) |
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{ |
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BFIContext *bfi = avctx->priv_data; |
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avctx->pix_fmt = PIX_FMT_PAL8; |
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@ -44,7 +44,7 @@ static av_cold int bfi_decode_init(AVCodecContext * avctx) |
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return 0; |
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} |
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static int bfi_decode_frame(AVCodecContext * avctx, void *data, |
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static int bfi_decode_frame(AVCodecContext *avctx, void *data, |
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int *data_size, AVPacket *avpkt) |
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{ |
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const uint8_t *buf = avpkt->data, *buf_end = avpkt->data + avpkt->size; |
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@ -71,11 +71,11 @@ static int bfi_decode_frame(AVCodecContext * avctx, void *data, |
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bfi->frame.pict_type = AV_PICTURE_TYPE_I; |
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bfi->frame.key_frame = 1; |
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/* Setting the palette */ |
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if(avctx->extradata_size>768) { |
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if (avctx->extradata_size > 768) { |
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av_log(NULL, AV_LOG_ERROR, "Palette is too large.\n"); |
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return -1; |
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} |
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pal = (uint32_t *) bfi->frame.data[1]; |
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pal = (uint32_t *)bfi->frame.data[1]; |
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for (i = 0; i < avctx->extradata_size / 3; i++) { |
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int shift = 16; |
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*pal = 0; |
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@ -91,16 +91,17 @@ static int bfi_decode_frame(AVCodecContext * avctx, void *data, |
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bfi->frame.key_frame = 0; |
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} |
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buf += 4; //Unpacked size, not required.
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buf += 4; // Unpacked size, not required.
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while (dst != frame_end) { |
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static const uint8_t lentab[4]={0,2,0,1}; |
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unsigned int byte = *buf++, av_uninit(offset); |
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unsigned int code = byte >> 6; |
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static const uint8_t lentab[4] = { 0, 2, 0, 1 }; |
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unsigned int byte = *buf++, av_uninit(offset); |
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unsigned int code = byte >> 6; |
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unsigned int length = byte & ~0xC0; |
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if (buf >= buf_end) { |
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av_log(avctx, AV_LOG_ERROR, "Input resolution larger than actual frame.\n"); |
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av_log(avctx, AV_LOG_ERROR, |
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"Input resolution larger than actual frame.\n"); |
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return -1; |
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} |
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@ -120,7 +121,7 @@ static int bfi_decode_frame(AVCodecContext * avctx, void *data, |
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} |
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/* Do boundary check */ |
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if (dst + (length<<lentab[code]) > frame_end) |
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if (dst + (length << lentab[code]) > frame_end) |
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break; |
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switch (code) { |
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@ -167,7 +168,7 @@ static int bfi_decode_frame(AVCodecContext * avctx, void *data, |
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dst += bfi->frame.linesize[0]; |
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} |
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*data_size = sizeof(AVFrame); |
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*(AVFrame *) data = bfi->frame; |
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*(AVFrame *)data = bfi->frame; |
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return buf_size; |
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} |
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