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authorOmer Osman <omer.osman@iis.fraunhofer.de>2014-10-14 16:43:07 +0200
committerMartin Storsjö <martin@martin.st>2014-10-17 15:48:30 +0300
commitb01a2204b5cff7bb920f42fda1bb0103f450fe93 (patch)
tree9f3f9d6931c0538e67a79bcde15c092532233f73 /libavcodec/version.h
parente65c776d18dc14df8a279e017760862f9fc8763b (diff)
libfdk-aacdec: Enable Decoder Downmix including Downmix Metadata Support
The FDK decoder is capable of producing mono and stereo downmix from multichannel streams. These streams may contain metadata that control the downmix process. The decoder requires an Ancillary Buffer in order to correctly apply downmix in streams containing downmix Metadata. The decoder does not have an API interface to inform of the presence of Metadata in the stream, and therefore the Ancillary Buffer is always allocated whenever a downmix is requested. When downmixing multichannel streams, the decoder requires the output buffer in aacDecoder_DecodeFrame call to be of fixed size in order to hold the actual number of channels contained in the stream. For example, for a 5.1ch to stereo downmix, the decoder requires that the output buffer is allocated for 6 channels, regardless of the fact that the output is in fact two channels. Due to this requirement, the output buffer is allocated for the maximum output buffer size in case a downmix is requested (and also during decoder init). When a downmix is requested, the buffer used for output during init will also be used for the entire duration the decoder is open. Otherwise, the initial decoder output buffer is freed and the decoder decodes straight into the output AVFrame. Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec/version.h')
-rw-r--r--libavcodec/version.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/version.h b/libavcodec/version.h
index 7a596e16f2..617b688dff 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -30,7 +30,7 @@
#define LIBAVCODEC_VERSION_MAJOR 56
#define LIBAVCODEC_VERSION_MINOR 5
-#define LIBAVCODEC_VERSION_MICRO 0
+#define LIBAVCODEC_VERSION_MICRO 1
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \