On Thu, May 7, 2015 at 2:51 AM, Luca Barbato <[email protected]> wrote:
> On 07/05/15 03:05, Luca Barbato wrote:
>> On 07/05/15 02:46, Vittorio Giovara wrote:
>>> From: "Shiina, Hideaki" <[email protected]>
>>>
>>> The header had a wrong version description.
>>>
>>> Bug-Id: 808
>>> Signed-off-by: Shiina Hideaki <[email protected]>
>>> ---
>>>  libavcodec/mjpegenc_common.c | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/libavcodec/mjpegenc_common.c b/libavcodec/mjpegenc_common.c
>>> index b1f2c00..4df6aa7 100644
>>> --- a/libavcodec/mjpegenc_common.c
>>> +++ b/libavcodec/mjpegenc_common.c
>>> @@ -98,7 +98,7 @@ static void jpeg_put_comments(AVCodecContext *avctx,
>>> PutBitContext *p)
>>>          put_marker(p, APP0);
>>>          put_bits(p, 16, 16);
>>>          avpriv_put_string(p, "JFIF", 1); /* this puts the trailing 
>>> zero-byte
>>> too */
>>> -        put_bits(p, 16, 0x0201);         /* v 1.02 */
>>> +        put_bits(p, 16, 0x0102);         /* v 1.02 */
>>>          put_bits(p,  8, 0);              /* units type: 0 - aspect ratio */
>>>          put_bits(p, 16, avctx->sample_aspect_ratio.num);
>>>          put_bits(p, 16, avctx->sample_aspect_ratio.den);
>>
>>
>> = X'0102'
>> The most significant byte is used for major revisions, the least
>> significant byte for minor revisions. Version 1.02 is the current
>> released revision.
>>
>> Maybe
>>
>>          put_marker(p, APP0);
>>          put_bits(p, 16, 16);
>>          avpriv_put_string(p, "JFIF", 1); /* this puts the trailing
>> zero-byte too */
>> -        put_bits(p, 16, 0x0201);         /* v 1.02 */
>> +        ptr = put_bits_ptr(p)
>> +        put_bits(p, 16, 0);         /* v 1.02 */
>> +        AV_WB16(ptr, 0x0102);
>>          put_bits(p,  8, 0);              /* units type: 0 - aspect ratio */
>>          put_bits(p, 16, avctx->sample_aspect_ratio.num);
>>          put_bits(p, 16, avctx->sample_aspect_ratio.den);
>>
>
> To make it more evident? (since should be the same as the version we
> have...)

not sure, I think that the proposed patch plus maybe a comment is more
than enough
-- 
Vittorio
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