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authorStefano Sabatini <stefano.sabatini-lala@poste.it>2011-09-11 01:07:08 +0200
committerDiego Biurrun <diego@biurrun.de>2011-09-11 18:41:34 +0200
commit6cfed1127005e9d79e03b4b04fd75124a291d3db (patch)
treee54723a8e63e8f3f922dfbf690039eacfa14748d
parent3a0b5fa5e8f0f3eccbbe38b179ea458e98751011 (diff)
downloadffmpeg-6cfed1127005e9d79e03b4b04fd75124a291d3db.tar.gz
audioconvert: add explanatory comments to channel_names array
Signed-off-by: Diego Biurrun <diego@biurrun.de>
-rw-r--r--libavutil/audioconvert.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/libavutil/audioconvert.c b/libavutil/audioconvert.c
index d6a4b8a4f2..7250e36d90 100644
--- a/libavutil/audioconvert.c
+++ b/libavutil/audioconvert.c
@@ -28,11 +28,26 @@
#include "audioconvert.h"
static const char * const channel_names[] = {
- "FL", "FR", "FC", "LFE", "BL", "BR", "FLC", "FRC",
- "BC", "SL", "SR", "TC", "TFL", "TFC", "TFR", "TBL",
- "TBC", "TBR",
- [29] = "DL",
- [30] = "DR",
+ [0] = "FL", /* front left */
+ [1] = "FR", /* front right */
+ [2] = "FC", /* front center */
+ [3] = "LFE", /* low frequency */
+ [4] = "BL", /* back left */
+ [5] = "BR", /* back right */
+ [6] = "FLC", /* front left-of-center */
+ [7] = "FRC", /* front right-of-center */
+ [8] = "BC", /* back-center */
+ [9] = "SL", /* side left */
+ [10] = "SR", /* side right */
+ [11] = "TC", /* top center */
+ [12] = "TFL", /* top front left */
+ [13] = "TFC", /* top front center */
+ [14] = "TFR", /* top front right */
+ [15] = "TBL", /* top back left */
+ [16] = "TBC", /* top back center */
+ [17] = "TBR", /* top back right */
+ [29] = "DL", /* downmix left */
+ [30] = "DR", /* downmix right */
};
static const char *get_channel_name(int channel_id)