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lavf/img2dec: add option to disable pattern matching

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Signed-off-by: Marton Balint <cus@passwd.hu>
Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Marton Balint 2015-05-12 02:22:02 +02:00 committed by Michael Niedermayer
parent 37efad4e5b
commit 93cc5ca7ed
4 changed files with 13 additions and 5 deletions
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4
doc/demuxers.texi
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@ -258,6 +258,10 @@ Select the pattern type used to interpret the provided filename.
@var{pattern_type} accepts one of the following values.
@table @option
@item none
Disable pattern matching, therefore the video will only contain the specified
image. You should use this option if you do not want to create sequences from
multiple images and your filenames may contain special pattern characters.
@item sequence
Select a sequence pattern type, used to specify a sequence of files
indexed by sequential numbers.

3
libavformat/img2.h
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@ -33,7 +33,8 @@
enum PatternType {
PT_GLOB_SEQUENCE,
PT_GLOB,
PT_SEQUENCE
PT_SEQUENCE,
PT_NONE
};
typedef struct VideoDemuxData {

9
libavformat/img2dec.c
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@ -177,7 +177,7 @@ static int img_read_probe(AVProbeData *p)
int ff_img_read_header(AVFormatContext *s1)
{
VideoDemuxData *s = s1->priv_data;
int first_index, last_index;
int first_index = 1, last_index = 1;
AVStream *st;
enum AVPixelFormat pix_fmt = AV_PIX_FMT_NONE;
@ -282,7 +282,7 @@ int ff_img_read_header(AVFormatContext *s1)
"is not supported by this libavformat build\n");
return AVERROR(ENOSYS);
#endif
} else if (s->pattern_type != PT_GLOB_SEQUENCE) {
} else if (s->pattern_type != PT_GLOB_SEQUENCE && s->pattern_type != PT_NONE) {
av_log(s1, AV_LOG_ERROR,
"Unknown value '%d' for pattern_type option\n", s->pattern_type);
return AVERROR(EINVAL);
@ -377,7 +377,9 @@ int ff_img_read_packet(AVFormatContext *s1, AVPacket *pkt)
}
if (s->img_number > s->img_last)
return AVERROR_EOF;
if (s->use_glob) {
if (s->pattern_type == PT_NONE) {
av_strlcpy(filename_bytes, s->path, sizeof(filename_bytes));
} else if (s->use_glob) {
#if HAVE_GLOB
filename = s->globstate.gl_pathv[s->img_number];
#endif
@ -538,6 +540,7 @@ const AVOption ff_img_options[] = {
{ "glob_sequence","select glob/sequence pattern type", 0, AV_OPT_TYPE_CONST, {.i64=PT_GLOB_SEQUENCE}, INT_MIN, INT_MAX, DEC, "pattern_type" },
{ "glob", "select glob pattern type", 0, AV_OPT_TYPE_CONST, {.i64=PT_GLOB }, INT_MIN, INT_MAX, DEC, "pattern_type" },
{ "sequence", "select sequence pattern type", 0, AV_OPT_TYPE_CONST, {.i64=PT_SEQUENCE }, INT_MIN, INT_MAX, DEC, "pattern_type" },
{ "none", "disable pattern matching", 0, AV_OPT_TYPE_CONST, {.i64=PT_NONE }, 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 }, INT_MIN, INT_MAX, DEC },

2
libavformat/version.h
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@ -31,7 +31,7 @@
#define LIBAVFORMAT_VERSION_MAJOR 56
#define LIBAVFORMAT_VERSION_MINOR 33
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_MICRO 101
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \