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fftools/ffmpeg_demux: add an AVClass to Demuxer/InputFile 

Use it for logging. This makes log messages related to this input file
more consistent.
This commit is contained in:
Anton Khirnov 2023-01-29 12:35:47 +01:00
parent e16b874b6a
commit cd4cd95d5e
2 changed files with 69 additions and 39 deletions
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2
fftools/ffmpeg.h
View File

@ -448,6 +448,8 @@ typedef struct LastFrameDuration {
} LastFrameDuration;
typedef struct InputFile {
const AVClass *class;
int index;
AVFormatContext *ctx;

106
fftools/ffmpeg_demux.c
View File

@ -55,6 +55,9 @@ static const char *const opt_name_display_vflips[] = {"display_vflip"
typedef struct Demuxer {
InputFile f;
// name used for logging
char log_name[32];
/* number of times input stream should be looped */
int loop;
/* actual duration of the longest stream in a file at the moment when
@ -91,11 +94,10 @@ static void report_new_stream(Demuxer *d, const AVPacket *pkt)
if (pkt->stream_index < d->nb_streams_warn)
return;
av_log(NULL, AV_LOG_WARNING,
"New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
av_log(d, AV_LOG_WARNING,
"New %s stream with index %d at pos:%"PRId64" and DTS:%ss\n",
av_get_media_type_string(st->codecpar->codec_type),
d->f.index, pkt->stream_index,
pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
pkt->stream_index, pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
d->nb_streams_warn = pkt->stream_index + 1;
}
@ -273,10 +275,10 @@ static void *input_thread(void *arg)
}
if (ret == AVERROR_EOF)
av_log(NULL, AV_LOG_VERBOSE, "EOF in input file %d\n", f->index);
av_log(d, AV_LOG_VERBOSE, "EOF while reading input\n");
else
av_log(NULL, AV_LOG_ERROR, "Error demuxing input file %d: %s\n",
f->index, av_err2str(ret));
av_log(d, AV_LOG_ERROR, "Error during demuxing: %s\n",
av_err2str(ret));
break;
}
@ -295,9 +297,9 @@ static void *input_thread(void *arg)
}
if (pkt->flags & AV_PKT_FLAG_CORRUPT) {
av_log(NULL, exit_on_error ? AV_LOG_FATAL : AV_LOG_WARNING,
"%s: corrupt input packet in stream %d\n",
f->ctx->url, pkt->stream_index);
av_log(d, exit_on_error ? AV_LOG_FATAL : AV_LOG_WARNING,
"corrupt input packet in stream %d\n",
pkt->stream_index);
if (exit_on_error) {
av_packet_unref(pkt);
ret = AVERROR_INVALIDDATA;
@ -339,7 +341,7 @@ finish:
av_packet_free(&pkt);
av_log(NULL, AV_LOG_VERBOSE, "Terminating demuxer thread %d\n", f->index);
av_log(d, AV_LOG_VERBOSE, "Terminating demuxer thread\n");
return NULL;
}
@ -396,7 +398,7 @@ static int thread_start(Demuxer *d)
}
if ((ret = pthread_create(&d->thread, NULL, input_thread, d))) {
av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
av_log(d, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
ret = AVERROR(ret);
goto fail;
}
@ -839,6 +841,32 @@ static void dump_attachment(AVStream *st, const char *filename)
avio_close(out);
}
static const char *input_file_item_name(void *obj)
{
const Demuxer *d = obj;
return d->log_name;
}
static const AVClass input_file_class = {
.class_name = "InputFile",
.version = LIBAVUTIL_VERSION_INT,
.item_name = input_file_item_name,
.category = AV_CLASS_CATEGORY_DEMUXER,
};
static Demuxer *demux_alloc(void)
{
Demuxer *d = allocate_array_elem(&input_files, sizeof(*d), &nb_input_files);
d->f.class = &input_file_class;
d->f.index = nb_input_files - 1;
snprintf(d->log_name, sizeof(d->log_name), "in#%d", d->f.index);
return d;
}
int ifile_open(const OptionsContext *o, const char *filename)
{
Demuxer *d;
@ -860,15 +888,18 @@ int ifile_open(const OptionsContext *o, const char *filename)
int64_t stop_time = o->stop_time;
int64_t recording_time = o->recording_time;
d = demux_alloc();
f = &d->f;
if (stop_time != INT64_MAX && recording_time != INT64_MAX) {
stop_time = INT64_MAX;
av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
av_log(d, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n");
}
if (stop_time != INT64_MAX && recording_time == INT64_MAX) {
int64_t start = start_time == AV_NOPTS_VALUE ? 0 : start_time;
if (stop_time <= start) {
av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
av_log(d, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n");
exit_program(1);
} else {
recording_time = stop_time - start;
@ -877,7 +908,7 @@ int ifile_open(const OptionsContext *o, const char *filename)
if (o->format) {
if (!(file_iformat = av_find_input_format(o->format))) {
av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
av_log(d, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
exit_program(1);
}
}
@ -964,9 +995,13 @@ int ifile_open(const OptionsContext *o, const char *filename)
if (err < 0) {
print_error(filename, err);
if (err == AVERROR_PROTOCOL_NOT_FOUND)
av_log(NULL, AV_LOG_ERROR, "Did you mean file:%s?\n", filename);
av_log(d, AV_LOG_ERROR, "Did you mean file:%s?\n", filename);
exit_program(1);
}
av_strlcat(d->log_name, "/", sizeof(d->log_name));
av_strlcat(d->log_name, ic->iformat->name, sizeof(d->log_name));
if (scan_all_pmts_set)
av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
remove_avoptions(&o->g->format_opts, o->g->codec_opts);
@ -989,7 +1024,7 @@ int ifile_open(const OptionsContext *o, const char *filename)
av_freep(&opts);
if (ret < 0) {
av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
av_log(d, AV_LOG_FATAL, "could not find codec parameters\n");
if (ic->nb_streams == 0) {
avformat_close_input(&ic);
exit_program(1);
@ -998,23 +1033,23 @@ int ifile_open(const OptionsContext *o, const char *filename)
}
if (start_time != AV_NOPTS_VALUE && start_time_eof != AV_NOPTS_VALUE) {
av_log(NULL, AV_LOG_WARNING, "Cannot use -ss and -sseof both, using -ss for %s\n", filename);
av_log(d, AV_LOG_WARNING, "Cannot use -ss and -sseof both, using -ss\n");
start_time_eof = AV_NOPTS_VALUE;
}
if (start_time_eof != AV_NOPTS_VALUE) {
if (start_time_eof >= 0) {
av_log(NULL, AV_LOG_ERROR, "-sseof value must be negative; aborting\n");
av_log(d, AV_LOG_ERROR, "-sseof value must be negative; aborting\n");
exit_program(1);
}
if (ic->duration > 0) {
start_time = start_time_eof + ic->duration;
if (start_time < 0) {
av_log(NULL, AV_LOG_WARNING, "-sseof value seeks to before start of file %s; ignored\n", filename);
av_log(d, AV_LOG_WARNING, "-sseof value seeks to before start of file; ignored\n");
start_time = AV_NOPTS_VALUE;
}
} else
av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename);
av_log(d, AV_LOG_WARNING, "Cannot use -sseof, file duration not known\n");
}
timestamp = (start_time == AV_NOPTS_VALUE) ? 0 : start_time;
/* add the stream start time */
@ -1040,16 +1075,12 @@ int ifile_open(const OptionsContext *o, const char *filename)
}
ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
if (ret < 0) {
av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
filename, (double)timestamp / AV_TIME_BASE);
av_log(d, AV_LOG_WARNING, "could not seek to position %0.3f\n",
(double)timestamp / AV_TIME_BASE);
}
}
d = allocate_array_elem(&input_files, sizeof(*d), &nb_input_files);
f = &d->f;
f->ctx = ic;
f->index = nb_input_files - 1;
f->start_time = start_time;
f->recording_time = recording_time;
f->input_sync_ref = o->input_sync_ref;
@ -1063,11 +1094,11 @@ int ifile_open(const OptionsContext *o, const char *filename)
f->readrate = o->readrate ? o->readrate : 0.0;
if (f->readrate < 0.0f) {
av_log(NULL, AV_LOG_ERROR, "Option -readrate for Input #%d is %0.3f; it must be non-negative.\n", f->index, f->readrate);
av_log(d, AV_LOG_ERROR, "Option -readrate is %0.3f; it must be non-negative.\n", f->readrate);
exit_program(1);
}
if (f->readrate && f->rate_emu) {
av_log(NULL, AV_LOG_WARNING, "Both -readrate and -re set for Input #%d. Using -readrate %0.3f.\n", f->index, f->readrate);
av_log(d, AV_LOG_WARNING, "Both -readrate and -re set. Using -readrate %0.3f.\n", f->readrate);
f->rate_emu = 0;
}
@ -1100,19 +1131,16 @@ int ifile_open(const OptionsContext *o, const char *filename)
if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) {
av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for "
"input file #%d (%s) is not a decoding option.\n", e->key,
option->help ? option->help : "", f->index,
filename);
av_log(d, AV_LOG_ERROR, "Codec AVOption %s (%s) is not a decoding "
"option.\n", e->key, option->help ? option->help : "");
exit_program(1);
}
av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for "
"input file #%d (%s) has not been used for any stream. The most "
"likely reason is either wrong type (e.g. a video option with "
"no video streams) or that it is a private option of some decoder "
"which was not actually used for any stream.\n", e->key,
option->help ? option->help : "", f->index, filename);
av_log(d, AV_LOG_WARNING, "Codec AVOption %s (%s) has not been used "
"for any stream. The most likely reason is either wrong type "
"(e.g. a video option with no video streams) or that it is a "
"private option of some decoder which was not actually used "
"for any stream.\n", e->key, option->help ? option->help : "");
}
av_dict_free(&unused_opts);