[FFmpeg-devel] [PATCH 1/2] lavd/v4l2: implement list device callback

[Lukasz Marek]

On 21 December 2014 at 23:39, Lukasz Marek <lukasz.m.luki2 at gmail.com> wrote:

> On 21.12.2014 22:43, Lukasz Marek wrote:
>
>> Signed-off-by: Lukasz Marek <lukasz.m.luki2 at gmail.com>
>> ---
>>   libavdevice/v4l2.c | 58 ++++++++++++++++++++++++++++++
>> ++++++++++++++++++++++++
>>   1 file changed, 58 insertions(+)
>>
>> diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c
>> index 2969980..9d4d7ae 100644
>> --- a/libavdevice/v4l2.c
>> +++ b/libavdevice/v4l2.c
>> @@ -1006,6 +1006,63 @@ static int v4l2_read_close(AVFormatContext *ctx)
>>       return 0;
>>   }
>>
>> +static int v4l2_get_device_list(AVFormatContext *ctx, AVDeviceInfoList
>> *device_list)
>> +{
>> +    struct video_data *s = ctx->priv_data;
>> +    AVDeviceInfo *device = NULL;
>> +    struct v4l2_capability cap;
>> +    int i, ret = 0;
>> +
>> +    if (!device_list)
>> +        return AVERROR(EINVAL);
>> +
>> +    for (i = 0; i <= 31; i++) {
>> +        snprintf(ctx->filename, sizeof(ctx->filename), "/dev/video%d",
>> i);
>>
>
> I wasn't sure this is correct. I changed this loop to opendir/readdir -
> similar way v4l-utils does.
>
> ping on patchset