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fftools/ffmpeg: return errors from find_codec_or_die() instead of aborting

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Rename the function to just find_codec().
This commit is contained in:
Anton Khirnov 2023-07-14 13:47:23 +02:00
parent 2e6afa799e
commit 6c6f13baf3
4 changed files with 50 additions and 25 deletions
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4
fftools/ffmpeg.h
View File

@ -709,8 +709,8 @@ void assert_avoptions(AVDictionary *m);
int assert_file_overwrite(const char *filename);
char *file_read(const char *filename);
AVDictionary *strip_specifiers(const AVDictionary *dict);
const AVCodec *find_codec_or_die(void *logctx, const char *name,
enum AVMediaType type, int encoder);
int find_codec(void *logctx, const char *name,
enum AVMediaType type, int encoder, const AVCodec **codec);
int parse_and_set_vsync(const char *arg, int *vsync_var, int file_idx, int st_idx, int is_global);
int check_filter_outputs(void);

54
fftools/ffmpeg_demux.c
View File

@ -911,19 +911,22 @@ int ist_filter_add(InputStream *ist, InputFilter *ifilter, int is_simple)
return 0;
}
static const AVCodec *choose_decoder(const OptionsContext *o, AVFormatContext *s, AVStream *st,
enum HWAccelID hwaccel_id, enum AVHWDeviceType hwaccel_device_type)
static int choose_decoder(const OptionsContext *o, AVFormatContext *s, AVStream *st,
enum HWAccelID hwaccel_id, enum AVHWDeviceType hwaccel_device_type,
const AVCodec **pcodec)
{
char *codec_name = NULL;
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
if (codec_name) {
const AVCodec *codec = find_codec_or_die(NULL, codec_name, st->codecpar->codec_type, 0);
st->codecpar->codec_id = codec->id;
if (recast_media && st->codecpar->codec_type != codec->type)
st->codecpar->codec_type = codec->type;
return codec;
int ret = find_codec(NULL, codec_name, st->codecpar->codec_type, 0, pcodec);
if (ret < 0)
return ret;
st->codecpar->codec_id = (*pcodec)->id;
if (recast_media && st->codecpar->codec_type != (*pcodec)->type)
st->codecpar->codec_type = (*pcodec)->type;
return 0;
} else {
if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
hwaccel_id == HWACCEL_GENERIC &&
@ -942,13 +945,15 @@ static const AVCodec *choose_decoder(const OptionsContext *o, AVFormatContext *s
if (config->device_type == hwaccel_device_type) {
av_log(NULL, AV_LOG_VERBOSE, "Selecting decoder '%s' because of requested hwaccel method %s\n",
c->name, av_hwdevice_get_type_name(hwaccel_device_type));
return c;
*pcodec = c;
return 0;
}
}
}
}
return avcodec_find_decoder(st->codecpar->codec_id);
*pcodec = avcodec_find_decoder(st->codecpar->codec_id);
return 0;
}
}
@ -1166,7 +1171,11 @@ static int ist_add(const OptionsContext *o, Demuxer *d, AVStream *st)
}
}
ist->dec = choose_decoder(o, ic, st, ist->hwaccel_id, ist->hwaccel_device_type);
ret = choose_decoder(o, ic, st, ist->hwaccel_id, ist->hwaccel_device_type,
&ist->dec);
if (ret < 0)
return ret;
ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codecpar->codec_id, ic, st, ist->dec);
ist->reinit_filters = -1;
@ -1357,7 +1366,7 @@ int ifile_open(const OptionsContext *o, const char *filename)
InputFile *f;
AVFormatContext *ic;
const AVInputFormat *file_iformat = NULL;
int err, i, ret;
int err, i, ret = 0;
int64_t timestamp;
AVDictionary *unused_opts = NULL;
const AVDictionaryEntry *e = NULL;
@ -1455,13 +1464,19 @@ int ifile_open(const OptionsContext *o, const char *filename)
MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d");
if (video_codec_name)
ic->video_codec = find_codec_or_die(NULL, video_codec_name , AVMEDIA_TYPE_VIDEO , 0);
ret = err_merge(ret, find_codec(NULL, video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
&ic->video_codec));
if (audio_codec_name)
ic->audio_codec = find_codec_or_die(NULL, audio_codec_name , AVMEDIA_TYPE_AUDIO , 0);
ret = err_merge(ret, find_codec(NULL, audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
&ic->audio_codec));
if (subtitle_codec_name)
ic->subtitle_codec = find_codec_or_die(NULL, subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
ret = err_merge(ret, find_codec(NULL, subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
&ic->subtitle_codec));
if (data_codec_name)
ic->data_codec = find_codec_or_die(NULL, data_codec_name , AVMEDIA_TYPE_DATA , 0);
ret = err_merge(ret, find_codec(NULL, data_codec_name , AVMEDIA_TYPE_DATA, 0,
&ic->data_codec));
if (ret < 0)
return ret;
ic->video_codec_id = video_codec_name ? ic->video_codec->id : AV_CODEC_ID_NONE;
ic->audio_codec_id = audio_codec_name ? ic->audio_codec->id : AV_CODEC_ID_NONE;
@ -1496,8 +1511,13 @@ int ifile_open(const OptionsContext *o, const char *filename)
assert_avoptions(o->g->format_opts);
/* apply forced codec ids */
for (i = 0; i < ic->nb_streams; i++)
choose_decoder(o, ic, ic->streams[i], HWACCEL_NONE, AV_HWDEVICE_TYPE_NONE);
for (i = 0; i < ic->nb_streams; i++) {
const AVCodec *dummy;
ret = choose_decoder(o, ic, ic->streams[i], HWACCEL_NONE, AV_HWDEVICE_TYPE_NONE,
&dummy);
if (ret < 0)
return ret;
}
if (o->find_stream_info) {
AVDictionary **opts;

4
fftools/ffmpeg_mux_init.c
View File

@ -139,7 +139,9 @@ static int choose_encoder(const OptionsContext *o, AVFormatContext *s,
return AVERROR_ENCODER_NOT_FOUND;
}
} else if (strcmp(codec_name, "copy")) {
*enc = find_codec_or_die(ost, codec_name, ost->type, 1);
int ret = find_codec(ost, codec_name, ost->type, 1, enc);
if (ret < 0)
return ret;
ost->par_in->codec_id = (*enc)->id;
}

13
fftools/ffmpeg_opt.c
View File

@ -637,8 +637,8 @@ static int opt_recording_timestamp(void *optctx, const char *opt, const char *ar
return 0;
}
const AVCodec *find_codec_or_die(void *logctx, const char *name,
enum AVMediaType type, int encoder)
int find_codec(void *logctx, const char *name,
enum AVMediaType type, int encoder, const AVCodec **pcodec)
{
const AVCodecDescriptor *desc;
const char *codec_string = encoder ? "encoder" : "decoder";
@ -658,13 +658,16 @@ const AVCodec *find_codec_or_die(void *logctx, const char *name,
if (!codec) {
av_log(logctx, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
exit_program(1);
return encoder ? AVERROR_ENCODER_NOT_FOUND :
AVERROR_DECODER_NOT_FOUND;
}
if (codec->type != type && !recast_media) {
av_log(logctx, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
exit_program(1);
return AVERROR(EINVAL);
}
return codec;
*pcodec = codec;
return 0;;
}
int assert_file_overwrite(const char *filename)