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fftools/ffmpeg: add new abort_on flag which aborts if there is a stream which received no packets

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Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2020-05-13 00:06:08 +02:00
parent 64b12624e2
commit efe7a59364
4 changed files with 11 additions and 3 deletions
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4
fftools/ffmpeg.c
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@@ -4713,6 +4713,10 @@ static int transcode(void)
av_freep(&ost->enc_ctx->stats_in);
}
total_packets_written += ost->packets_written;
if (!ost->packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM)) {
av_log(NULL, AV_LOG_FATAL, "Empty output on stream %d.\n", i);
exit_program(1);
}
}
if (!total_packets_written && (abort_on_flags & ABORT_ON_FLAG_EMPTY_OUTPUT)) {

3
fftools/ffmpeg.h
View File

@@ -430,7 +430,8 @@ enum forced_keyframes_const {
FKF_NB
};
#define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)
#define ABORT_ON_FLAG_EMPTY_OUTPUT (1 << 0)
#define ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM (1 << 1)
extern const char *const forced_keyframes_const_names[];

5
fftools/ffmpeg_opt.c
View File

@@ -262,8 +262,9 @@ static AVDictionary *strip_specifiers(AVDictionary *dict)
static int opt_abort_on(void *optctx, const char *opt, const char *arg)
{
static const AVOption opts[] = {
{ "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
{ "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
{ "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
{ "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
{ "empty_output_stream", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM }, .unit = "flags" },
{ NULL },
};
static const AVClass class = {