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author | Diego Biurrun <diego@biurrun.de> | 2014-07-29 09:57:48 -0700 |
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committer | Diego Biurrun <diego@biurrun.de> | 2014-08-01 04:08:46 -0700 |
commit | 4da8cdbb91ddbac118b79076cad4dc28ba72e86f (patch) | |
tree | 71fb9a7c57682f661b15661b891293d899344b83 /libavcodec | |
parent | 5735552f1f17ea01dcbc99b08f54b5bf52176a8f (diff) | |
download | ffmpeg-streaming-4da8cdbb91ddbac118b79076cad4dc28ba72e86f.zip ffmpeg-streaming-4da8cdbb91ddbac118b79076cad4dc28ba72e86f.tar.gz |
tscc: Eliminate pointless variable indirections in decode_frame()
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/tscc.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/libavcodec/tscc.c b/libavcodec/tscc.c index c26853e..16d0770 100644 --- a/libavcodec/tscc.c +++ b/libavcodec/tscc.c @@ -67,34 +67,32 @@ 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 = data; - int zret; // Zlib return code - int ret, len = buf_size; + int ret; if ((ret = ff_get_buffer(avctx, frame, 0)) < 0){ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); 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 = 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); |