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authorAnton Khirnov <anton@khirnov.net>2014-06-18 20:42:52 +0200
committerAnton Khirnov <anton@khirnov.net>2016-02-23 17:01:58 +0100
commit9200514ad8717c63f82101dc394f4378854325bf (patch)
tree566b8d48565a88303363198acc81de06363daa7a /tests/ref/vsynth
parenta8068346e48e123f8d3bdf4d64464d81e53e5fc7 (diff)
lavf: replace AVStream.codec with AVStream.codecpar
Currently, AVStream contains an embedded AVCodecContext instance, which is used by demuxers to export stream parameters to the caller and by muxers to receive stream parameters from the caller. It is also used internally as the codec context that is passed to parsers. In addition, it is also widely used by the callers as the decoding (when demuxer) or encoding (when muxing) context, though this has been officially discouraged since Libav 11. There are multiple important problems with this approach: - the fields in AVCodecContext are in general one of * stream parameters * codec options * codec state However, it's not clear which ones are which. It is consequently unclear which fields are a demuxer allowed to set or a muxer allowed to read. This leads to erratic behaviour depending on whether decoding or encoding is being performed or not (and whether it uses the AVStream embedded codec context). - various synchronization issues arising from the fact that the same context is used by several different APIs (muxers/demuxers, parsers, bitstream filters and encoders/decoders) simultaneously, with there being no clear rules for who can modify what and the different processes being typically delayed with respect to each other. - avformat_find_stream_info() making it necessary to support opening and closing a single codec context multiple times, thus complicating the semantics of freeing various allocated objects in the codec context. Those problems are resolved by replacing the AVStream embedded codec context with a newly added AVCodecParameters instance, which stores only the stream parameters exported by the demuxers or read by the muxers.
Diffstat (limited to 'tests/ref/vsynth')
-rw-r--r--tests/ref/vsynth/vsynth1-flashsv2
-rw-r--r--tests/ref/vsynth/vsynth1-flv2
-rw-r--r--tests/ref/vsynth/vsynth2-flashsv2
-rw-r--r--tests/ref/vsynth/vsynth2-flv2
4 files changed, 4 insertions, 4 deletions
diff --git a/tests/ref/vsynth/vsynth1-flashsv b/tests/ref/vsynth/vsynth1-flashsv
index a4f22ce0a4..d9bad3e19e 100644
--- a/tests/ref/vsynth/vsynth1-flashsv
+++ b/tests/ref/vsynth/vsynth1-flashsv
@@ -1,4 +1,4 @@
-6675942f5cd6978f16eff5305578de27 *tests/data/fate/vsynth1-flashsv.flv
+d0ac97a2bbf78fc02718934b70d12e70 *tests/data/fate/vsynth1-flashsv.flv
14681905 tests/data/fate/vsynth1-flashsv.flv
947cb24ec45a453348ae6fe3fa278071 *tests/data/fate/vsynth1-flashsv.out.rawvideo
stddev: 2.85 PSNR: 39.03 MAXDIFF: 49 bytes: 7603200/ 7603200
diff --git a/tests/ref/vsynth/vsynth1-flv b/tests/ref/vsynth/vsynth1-flv
index a92658b13d..2aaa32cbf9 100644
--- a/tests/ref/vsynth/vsynth1-flv
+++ b/tests/ref/vsynth/vsynth1-flv
@@ -1,4 +1,4 @@
-202e8b9715f278497eb13476fc9abdac *tests/data/fate/vsynth1-flv.flv
+87b9e73ada2a512ffd5abec51695e44d *tests/data/fate/vsynth1-flv.flv
636249 tests/data/fate/vsynth1-flv.flv
5ab46d8dd01dbb1d63df2a84858a4b05 *tests/data/fate/vsynth1-flv.out.rawvideo
stddev: 8.02 PSNR: 30.04 MAXDIFF: 105 bytes: 7603200/ 7603200
diff --git a/tests/ref/vsynth/vsynth2-flashsv b/tests/ref/vsynth/vsynth2-flashsv
index de7446bb5e..75e5d8f917 100644
--- a/tests/ref/vsynth/vsynth2-flashsv
+++ b/tests/ref/vsynth/vsynth2-flashsv
@@ -1,4 +1,4 @@
-52701f9112732b42aa425129265ef499 *tests/data/fate/vsynth2-flashsv.flv
+9980ac31d9312c38e23883063c2cc269 *tests/data/fate/vsynth2-flashsv.flv
11636526 tests/data/fate/vsynth2-flashsv.flv
eed2322f11b95fc7abe5356306f00d97 *tests/data/fate/vsynth2-flashsv.out.rawvideo
stddev: 1.21 PSNR: 46.42 MAXDIFF: 20 bytes: 7603200/ 7603200
diff --git a/tests/ref/vsynth/vsynth2-flv b/tests/ref/vsynth/vsynth2-flv
index 818b1110b9..343ce42c5e 100644
--- a/tests/ref/vsynth/vsynth2-flv
+++ b/tests/ref/vsynth/vsynth2-flv
@@ -1,4 +1,4 @@
-1be21ea941eb8b5ef5ecde9cac40ada0 *tests/data/fate/vsynth2-flv.flv
+6336a28db20719d12dfd3a8a6950d0fc *tests/data/fate/vsynth2-flv.flv
174657 tests/data/fate/vsynth2-flv.flv
c6e9b6c165558d052541309e48b5f551 *tests/data/fate/vsynth2-flv.out.rawvideo
stddev: 6.02 PSNR: 32.53 MAXDIFF: 83 bytes: 7603200/ 7603200