[FFmpeg-devel] [PATCH] Parsing ALS object type in MPEG-4

[Thilo Borgmann]

Alex Converse schrieb:
> On Sun, Oct 11, 2009 at 5:04 AM, Thilo Borgmann
> <thilo.borgmann at googlemail.com> wrote:
>> Index: libavcodec/mpeg4audio.h
>> ===================================================================
>> --- libavcodec/mpeg4audio.h     (revision 20011)
>> +++ libavcodec/mpeg4audio.h     (working copy)
>> @@ -31,6 +31,7 @@
>>     int sampling_index;
>>     int sample_rate;
>>     int chan_config;
>> +    int channels;
>>     int sbr; //< -1 implicit, 1 presence
>>     int ext_object_type;
>>     int ext_sampling_index;
>> Index: libavformat/mov.c
>> ===================================================================
>> --- libavformat/mov.c   (revision 20011)
>> +++ libavformat/mov.c   (working copy)
>> @@ -434,9 +434,13 @@
>>                 MPEG4AudioConfig cfg;
>>                 ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
>>                                          st->codec->extradata_size);
>> +                if (cfg.chan_config) {
>>                 if (cfg.chan_config > 7)
>>                     return -1;
>>                 st->codec->channels = ff_mpeg4audio_channels[cfg.chan_config];
>> +                } else {
>> +                    st->codec->channels = cfg.channels;
>> +                }
>>                 if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
>>                     st->codec->sample_rate = ff_mpa_freq_tab[cfg.sampling_index];
>>                 else
>>
> 
> These chunks have landed as part of r20512.

Yes, thanks for that :)

-Thilo