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| author | Liviu Oniciuc <klmno.dev@gmx.com> | 2015-02-03 09:01:29 -0800 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-02-03 18:57:23 +0100 |
| commit | b37858eae186ff84afd38cf3e845ba6e037e6397 (patch) | |
| tree | c204d5bbf07706a75e846096ea7d400171099edb | |
| parent | 6a0cd529a35190d9374b0b26504e71857cd67b83 (diff) | |
| download | ffmpeg-b37858eae186ff84afd38cf3e845ba6e037e6397.tar.gz | |
avformat/img2dec: remove the non-negative number requirement for start_number option
industrial cameras usually mark the trigger frame as frame number 0
all frames saved before trigger frame receive a negative sequence number
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rwxr-xr-x[-rw-r--r--] | libavformat/img2dec.c | 2 | ||||
| -rwxr-xr-x[-rw-r--r--] | libavformat/utils.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c index 68cbefd12c..1ab13091fd 100644..100755 --- a/libavformat/img2dec.c +++ b/libavformat/img2dec.c @@ -537,7 +537,7 @@ const AVOption ff_img_options[] = { { "sequence", "select sequence pattern type", 0, AV_OPT_TYPE_CONST, {.i64=PT_SEQUENCE }, INT_MIN, INT_MAX, DEC, "pattern_type" }, { "pixel_format", "set video pixel format", OFFSET(pixel_format), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, DEC }, - { "start_number", "set first number in the sequence", OFFSET(start_number), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, DEC }, + { "start_number", "set first number in the sequence", OFFSET(start_number), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, DEC }, { "start_number_range", "set range for looking at the first sequence number", OFFSET(start_number_range), AV_OPT_TYPE_INT, {.i64 = 5}, 1, INT_MAX, DEC }, { "video_size", "set video size", OFFSET(width), AV_OPT_TYPE_IMAGE_SIZE, {.str = NULL}, 0, 0, DEC }, { "frame_size", "force frame size in bytes", OFFSET(frame_size), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, DEC }, diff --git a/libavformat/utils.c b/libavformat/utils.c index 570603a725..e44b45cefb 100644..100755 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -3827,6 +3827,8 @@ int av_get_frame_filename(char *buf, int buf_size, const char *path, int number) if (percentd_found) goto fail; percentd_found = 1; + if(number < 0) + nd += 1; snprintf(buf1, sizeof(buf1), "%0*d", nd, number); len = strlen(buf1); if ((q - buf + len) > buf_size - 1) |