lavc: add audio flag to the 'b' option, deprecate 'ab'.

Its only reason for its existence was ffmpeg's inability to properly assign
AVOptions to streams. Now this is not a problem anymore, so 'ab' should
go.

avconv.c

@@ -3908,7 +3908,7 @@ static int opt_target(const char *opt, const char *arg)
         opt_default("minrate", "1150000");
         opt_default("bufsize", "327680"); // 40*1024*8;
 
-        opt_default("ab", "224000");
+        opt_default("b:a", "224000");
         audio_sample_rate = 44100;
         audio_channels = 2;
 
@@ -3938,7 +3938,7 @@ static int opt_target(const char *opt, const char *arg)
         opt_default("flags", "+scan_offset");
 
 
-        opt_default("ab", "224000");
+        opt_default("b:a", "224000");
         audio_sample_rate = 44100;
 
         opt_default("packetsize", "2324");
@@ -3961,7 +3961,7 @@ static int opt_target(const char *opt, const char *arg)
         opt_default("packetsize", "2048");  // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
         opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
 
-        opt_default("ab", "448000");
+        opt_default("b:a", "448000");
         audio_sample_rate = 48000;
 
     } else if(!strncmp(arg, "dv", 2)) {

doc/avconv.texi

@@ -956,7 +956,7 @@ You can encode to several formats at the same time and define a
 mapping from input stream to output streams:
 
 @example
-avconv -i /tmp/a.wav -map 0:a -ab 64k /tmp/a.mp2 -map 0:a -ab 128k /tmp/b.mp2
+avconv -i /tmp/a.wav -map 0:a -b 64k /tmp/a.mp2 -map 0:a -b 128k /tmp/b.mp2
 @end example
 
 Converts a.wav to a.mp2 at 64 kbits and to b.mp2 at 128 kbits. '-map
@@ -967,7 +967,7 @@ stream, in the order of the definition of output streams.
 You can transcode decrypted VOBs:
 
 @example
-avconv -i snatch_1.vob -f avi -c:v mpeg4 -b 800k -g 300 -bf 2 -c:a libmp3lame -ab 128k snatch.avi
+avconv -i snatch_1.vob -f avi -c:v mpeg4 -b:v 800k -g 300 -bf 2 -c:a libmp3lame -b:a 128k snatch.avi
 @end example
 
 This is a typical DVD ripping example; the input is a VOB file, the

libavcodec/options.c

@@ -70,8 +70,8 @@ static const AVOption *opt_find(void *obj, const char *name, const char *unit, i
 #define AV_CODEC_DEFAULT_BITRATE 200*1000
 
 static const AVOption options[]={
-{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, V|E},
-{"ab", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, A|E},
+{"b", "set bitrate (in bits/s)", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, V|A|E},
+{"ab", "this option is deprecated, use b", OFFSET(bit_rate), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE }, INT_MIN, INT_MAX, A|E},
 {"bt", "set video bitrate tolerance (in bits/s)", OFFSET(bit_rate_tolerance), FF_OPT_TYPE_INT, {.dbl = AV_CODEC_DEFAULT_BITRATE*20 }, 1, INT_MAX, V|E},
 {"flags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, UINT_MAX, V|A|E|D, "flags"},
 {"mv4", "use four motion vector by macroblock (mpeg4)", 0, FF_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_4MV }, INT_MIN, INT_MAX, V|E, "flags"},

tests/codec-regression.sh

@@ -16,7 +16,7 @@ if [ -n "$do_vref" ]; then
 do_avconv $raw_ref -f image2 -vcodec pgmyuv -i $raw_src -an -f rawvideo
 fi
 if [ -n "$do_aref" ]; then
-do_avconv $pcm_ref -ab 128k -ac 2 -ar 44100 -f s16le -i $pcm_src -f wav
+do_avconv $pcm_ref -b 128k -ac 2 -ar 44100 -f s16le -i $pcm_src -f wav
 fi
 
 if [ -n "$do_mpeg" ] ; then
@@ -279,7 +279,7 @@ do_audio_encoding ac3.rm "-vn -acodec ac3_fixed"
 fi
 
 if [ -n "$do_g726" ] ; then
-do_audio_encoding g726.wav "-ab 32k -ac 1 -ar 8000 -acodec g726"
+do_audio_encoding g726.wav "-b 32k -ac 1 -ar 8000 -acodec g726"
 do_audio_decoding
 fi
 

tests/lavf-regression.sh

@@ -14,7 +14,7 @@ eval do_$test=y
 do_lavf()
 {
     file=${outfile}lavf.$1
-    do_avconv $file $DEC_OPTS -f image2 -vcodec pgmyuv -i $raw_src $DEC_OPTS -ar 44100 -f s16le -i $pcm_src $ENC_OPTS -ab 64k -t 1 -qscale 10 $2
+    do_avconv $file $DEC_OPTS -f image2 -vcodec pgmyuv -i $raw_src $DEC_OPTS -ar 44100 -f s16le -i $pcm_src $ENC_OPTS -b:a 64k -t 1 -qscale 10 $2
     do_avconv_crc $file $DEC_OPTS -i $target_path/$file $3
 }
 
@@ -53,7 +53,7 @@ fi
 
 if [ -n "$do_rm" ] ; then
 file=${outfile}lavf.rm
-do_avconv $file $DEC_OPTS -f image2 -vcodec pgmyuv -i $raw_src $DEC_OPTS -ar 44100 -f s16le -i $pcm_src $ENC_OPTS -t 1 -qscale 10 -acodec ac3_fixed -ab 64k
+do_avconv $file $DEC_OPTS -f image2 -vcodec pgmyuv -i $raw_src $DEC_OPTS -ar 44100 -f s16le -i $pcm_src $ENC_OPTS -t 1 -qscale 10 -acodec ac3_fixed -b:a 64k
 # broken
 #do_avconv_crc $file -i $target_path/$file
 fi