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| author | Stefano Sabatini <stefasab@gmail.com> | 2013-01-15 09:57:50 +0100 |
|---|---|---|
| committer | Stefano Sabatini <stefasab@gmail.com> | 2013-01-15 21:48:21 +0100 |
| commit | 1b325ce91ab78e2edd676cd8a099d04dd90a202c (patch) | |
| tree | 9eb9be0c379a06bbd74630839d7c2b2fe68f9638 /libavdevice/v4l2.c | |
| parent | c994bb2fb7727f5c20ef71cc6727fb219fd49d60 (diff) | |
| download | ffmpeg-1b325ce91ab78e2edd676cd8a099d04dd90a202c.tar.gz | |
lavd/v4l2: extend error/debug feedback in case of invalid codec/pix_fmt
Diffstat (limited to 'libavdevice/v4l2.c')
| -rw-r--r-- | libavdevice/v4l2.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c index c82a9084d0..6055278971 100644 --- a/libavdevice/v4l2.c +++ b/libavdevice/v4l2.c @@ -761,6 +761,10 @@ static uint32_t device_try_init(AVFormatContext *s1, for (i = 0; i<FF_ARRAY_ELEMS(fmt_conversion_table); i++) { if (s1->video_codec_id == AV_CODEC_ID_NONE || fmt_conversion_table[i].codec_id == s1->video_codec_id) { + av_log(s1, AV_LOG_DEBUG, "Trying to set codec:%s pix_fmt:%s\n", + avcodec_get_name(fmt_conversion_table[i].codec_id), + (char *)av_x_if_null(av_get_pix_fmt_name(fmt_conversion_table[i].ff_fmt), "none")); + desired_format = fmt_conversion_table[i].v4l2_fmt; if (device_init(s1, width, height, desired_format) >= 0) { break; @@ -848,7 +852,9 @@ static int v4l2_read_header(AVFormatContext *s1) if (desired_format == 0) { av_log(s1, AV_LOG_ERROR, "Cannot find a proper format for " - "codec_id %d, pix_fmt %d.\n", s1->video_codec_id, pix_fmt); + "codec '%s' (id %d), pixel format '%s' (id %d)\n", + avcodec_get_name(s1->video_codec_id), s1->video_codec_id, + (char *)av_x_if_null(av_get_pix_fmt_name(pix_fmt), "none"), pix_fmt); v4l2_close(s->fd); return AVERROR(EIO); |