[SCM] libav/experimental: Add lowres support to the libopenjpeg wrapper. Fixes issue 1097.
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 16:46:34 UTC 2013
The following commit has been merged in the experimental branch:
commit cd840656c2bc4b8f6aae883085a0ec0a5e4785f9
Author: Jai Menon <jmenon86 at gmail.com>
Date: Tue May 26 17:04:28 2009 +0000
Add lowres support to the libopenjpeg wrapper.
Fixes issue 1097.
Originally committed as revision 18955 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/libopenjpeg.c b/libavcodec/libopenjpeg.c
index 2c30c30..075bf1c 100644
--- a/libavcodec/libopenjpeg.c
+++ b/libavcodec/libopenjpeg.c
@@ -89,6 +89,7 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,
}
opj_set_event_mgr((opj_common_ptr)dec, NULL, NULL);
+ ctx->dec_params.cp_reduce = avctx->lowres;
// Tie decoder with decoding parameters
opj_setup_decoder(dec, &ctx->dec_params);
stream = opj_cio_open((opj_common_ptr)dec, buf, buf_size);
@@ -106,8 +107,8 @@ static int libopenjpeg_decode_frame(AVCodecContext *avctx,
opj_destroy_decompress(dec);
return -1;
}
- width = image->comps[0].w;
- height = image->comps[0].h;
+ width = image->comps[0].w << avctx->lowres;
+ height = image->comps[0].h << avctx->lowres;
if(avcodec_check_dimensions(avctx, width, height) < 0) {
av_log(avctx, AV_LOG_ERROR, "%dx%d dimension invalid.\n", width, height);
goto done;
--
Libav/FFmpeg packaging
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