[FFmpeg-devel] [PATCH] Only check for invalid codec_id if the codec tag was supposed to be in the current packet.

Justin Ruggles justin.ruggles
Tue Jan 18 18:14:43 CET 2011


On 01/18/2011 10:21 AM, Michael Niedermayer wrote:

> On Tue, Jan 18, 2011 at 04:16:34PM +0100, Michael Niedermayer wrote:
>> On Tue, Jan 18, 2011 at 08:55:33AM -0500, Justin Ruggles wrote:
>>>
>>> Fixes decoding of stereo VOC files.
>>> ---
>>>  libavformat/vocdec.c |    3 ++-
>>>  1 files changed, 2 insertions(+), 1 deletions(-)
>>>
>>
>>>  vocdec.c |    3 ++-
>>>  1 file changed, 2 insertions(+), 1 deletion(-)
>>> 1e38294ad07cc0f39e1941852b13ad42997debe5  0001-Only-check-for-invalid-codec_id-if-the-codec-tag-was.patch
>>> diff --git a/libavformat/vocdec.c b/libavformat/vocdec.c
>>> index 7cc37f0..1a77a4b 100644
>>> --- a/libavformat/vocdec.c
>>> +++ b/libavformat/vocdec.c
>>> @@ -133,7 +133,8 @@ voc_get_packet(AVFormatContext *s, AVPacket *pkt, AVStream *st, int max_size)
>>>              voc->remaining_size = 0;
>>>              break;
>>>          }
>>> -        if (dec->codec_id == CODEC_ID_NONE) {
>>> +        if ((type == VOC_TYPE_VOICE_DATA || type == VOC_TYPE_NEW_VOICE_DATA) &&
>>> +            dec->codec_id == CODEC_ID_NONE) {
>>>              av_log(s, AV_LOG_ERROR, "Invalid codec_id\n");
>>
>> this check still looks wrong to me
>> (example is if there is no such packet at all)
> 
> to clarify, the patch is ok as such it improves things but it doesnt fully
> fix this check


new patch.




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