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avcodec/hnm4video: Don't reimplement FFSWAP()
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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@ -387,15 +387,6 @@ static void hnm_update_palette(AVCodecContext *avctx, uint8_t *src,
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}
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}
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static void hnm_flip_buffers(Hnm4VideoContext *hnm)
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{
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uint8_t *temp;
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temp = hnm->current;
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hnm->current = hnm->previous;
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hnm->previous = temp;
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}
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static int hnm_decode_frame(AVCodecContext *avctx, void *data,
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int *got_frame, AVPacket *avpkt)
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{
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@ -450,7 +441,7 @@ static int hnm_decode_frame(AVCodecContext *avctx, void *data,
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frame->key_frame = 0;
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memcpy(frame->data[1], hnm->palette, 256 * 4);
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*got_frame = 1;
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hnm_flip_buffers(hnm);
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FFSWAP(uint8_t *, hnm->current, hnm->previous);
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} else {
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av_log(avctx, AV_LOG_ERROR, "invalid chunk id: %d\n", chunk_id);
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return AVERROR_INVALIDDATA;
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