avformat/chromaprint: Improve returned error codes

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-09-22 06:57:44 +02:00
parent dd1975b0bb
commit aeee5e3967

View File

@ -69,47 +69,45 @@ static int write_header(AVFormatContext *s)
if (!cpr->ctx) {
av_log(s, AV_LOG_ERROR, "Failed to create chromaprint context.\n");
return AVERROR(ENOMEM);
return AVERROR_EXTERNAL;
}
if (cpr->silence_threshold != -1) {
#if CPR_VERSION_INT >= AV_VERSION_INT(0, 7, 0)
if (!chromaprint_set_option(cpr->ctx, "silence_threshold", cpr->silence_threshold)) {
av_log(s, AV_LOG_ERROR, "Failed to set silence threshold. Setting silence_threshold requires -algorithm 3 option.\n");
goto fail;
return AVERROR_EXTERNAL;
}
#else
av_log(s, AV_LOG_ERROR, "Setting the silence threshold requires Chromaprint "
"version 0.7.0 or later.\n");
goto fail;
return AVERROR(ENOSYS);
#endif
}
if (s->nb_streams != 1) {
av_log(s, AV_LOG_ERROR, "Only one stream is supported\n");
goto fail;
return AVERROR(EINVAL);
}
st = s->streams[0];
if (st->codecpar->channels > 2) {
av_log(s, AV_LOG_ERROR, "Only up to 2 channels are supported\n");
goto fail;
return AVERROR(EINVAL);
}
if (st->codecpar->sample_rate < 1000) {
av_log(s, AV_LOG_ERROR, "Sampling rate must be at least 1000\n");
goto fail;
return AVERROR(EINVAL);
}
if (!chromaprint_start(cpr->ctx, st->codecpar->sample_rate, st->codecpar->channels)) {
av_log(s, AV_LOG_ERROR, "Failed to start chromaprint\n");
goto fail;
return AVERROR_EXTERNAL;
}
return 0;
fail:
return AVERROR(EINVAL);
}
static int write_packet(AVFormatContext *s, AVPacket *pkt)
@ -124,7 +122,7 @@ static int write_trailer(AVFormatContext *s)
AVIOContext *pb = s->pb;
void *fp = NULL;
char *enc_fp = NULL;
int size, enc_size, ret = AVERROR(EINVAL);
int size, enc_size, ret = AVERROR_EXTERNAL;
if (!chromaprint_finish(cpr->ctx)) {
av_log(s, AV_LOG_ERROR, "Failed to generate fingerprint\n");