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Merge commit '4da8cdbb91ddbac118b79076cad4dc28ba72e86f'

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* commit '4da8cdbb91ddbac118b79076cad4dc28ba72e86f':
  tscc: Eliminate pointless variable indirections in decode_frame()

Conflicts:
	libavcodec/tscc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-08-01 16:34:20 +02:00
commit 79d0e164cf
1 changed files with 10 additions and 12 deletions
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22
libavcodec/tscc.c
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@ -68,32 +68,30 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
CamtasiaContext * const c = avctx->priv_data;
const unsigned char *encoded = buf;
AVFrame *frame = c->frame;
int zret; // Zlib return code
int ret, len = buf_size;
int ret;
if ((ret = ff_reget_buffer(avctx, frame)) < 0)
return ret;
zret = inflateReset(&c->zstream);
if (zret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
ret = inflateReset(&c->zstream);
if (ret != Z_OK) {
av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", ret);
return AVERROR_UNKNOWN;
}
c->zstream.next_in = (uint8_t*)encoded;
c->zstream.avail_in = len;
c->zstream.next_in = buf;
c->zstream.avail_in = buf_size;
c->zstream.next_out = c->decomp_buf;
c->zstream.avail_out = c->decomp_size;
zret = inflate(&c->zstream, Z_FINISH);
ret = inflate(&c->zstream, Z_FINISH);
// Z_DATA_ERROR means empty picture
if ((zret != Z_OK) && (zret != Z_STREAM_END) && (zret != Z_DATA_ERROR)) {
av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", zret);
if ((ret != Z_OK) && (ret != Z_STREAM_END) && (ret != Z_DATA_ERROR)) {
av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", ret);
return AVERROR_UNKNOWN;
}
if (zret != Z_DATA_ERROR) {
if (ret != Z_DATA_ERROR) {
bytestream2_init(&c->gb, c->decomp_buf,
c->decomp_size - c->zstream.avail_out);
ff_msrle_decode(avctx, (AVPicture*)frame, c->bpp, &c->gb);