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lavc/flacenc: improve error return.

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Use meaningful error codes and add log messages.
This commit is contained in:
Nicolas George 2012-12-31 12:13:36 +01:00
parent 11ab2c25b6
commit 9e28e0035a
1 changed files with 14 additions and 10 deletions
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24
libavcodec/flacenc.c
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@ -248,8 +248,11 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
break;
}
if (channels < 1 || channels > FLAC_MAX_CHANNELS)
return -1;
if (channels < 1 || channels > FLAC_MAX_CHANNELS) {
av_log(avctx, AV_LOG_ERROR, "%d channels not supported (max %d)\n",
channels, FLAC_MAX_CHANNELS);
return AVERROR(EINVAL);
}
s->channels = channels;
/* find samplerate in table */
@ -275,7 +278,8 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
s->sr_code[0] = 13;
s->sr_code[1] = freq;
} else {
return -1;
av_log(avctx, AV_LOG_ERROR, "%d Hz not supported\n", freq);
return AVERROR(EINVAL);
}
s->samplerate = freq;
}
@ -290,7 +294,7 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
if (level > 12) {
av_log(avctx, AV_LOG_ERROR, "invalid compression level: %d\n",
s->options.compression_level);
return -1;
return AVERROR(EINVAL);
}
s->options.block_time_ms = ((int[]){ 27, 27, 27,105,105,105,105,105,105,105,105,105,105})[level];
@ -329,13 +333,13 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
if (avctx->min_prediction_order > MAX_FIXED_ORDER) {
av_log(avctx, AV_LOG_ERROR, "invalid min prediction order: %d\n",
avctx->min_prediction_order);
return -1;
return AVERROR(EINVAL);
}
} else if (avctx->min_prediction_order < MIN_LPC_ORDER ||
avctx->min_prediction_order > MAX_LPC_ORDER) {
av_log(avctx, AV_LOG_ERROR, "invalid min prediction order: %d\n",
avctx->min_prediction_order);
return -1;
return AVERROR(EINVAL);
}
s->options.min_prediction_order = avctx->min_prediction_order;
}
@ -346,20 +350,20 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
if (avctx->max_prediction_order > MAX_FIXED_ORDER) {
av_log(avctx, AV_LOG_ERROR, "invalid max prediction order: %d\n",
avctx->max_prediction_order);
return -1;
return AVERROR(EINVAL);
}
} else if (avctx->max_prediction_order < MIN_LPC_ORDER ||
avctx->max_prediction_order > MAX_LPC_ORDER) {
av_log(avctx, AV_LOG_ERROR, "invalid max prediction order: %d\n",
avctx->max_prediction_order);
return -1;
return AVERROR(EINVAL);
}
s->options.max_prediction_order = avctx->max_prediction_order;
}
if (s->options.max_prediction_order < s->options.min_prediction_order) {
av_log(avctx, AV_LOG_ERROR, "invalid prediction orders: min=%d max=%d\n",
s->options.min_prediction_order, s->options.max_prediction_order);
return -1;
return AVERROR(EINVAL);
}
if (avctx->frame_size > 0) {
@ -367,7 +371,7 @@ static av_cold int flac_encode_init(AVCodecContext *avctx)
avctx->frame_size > FLAC_MAX_BLOCKSIZE) {
av_log(avctx, AV_LOG_ERROR, "invalid block size: %d\n",
avctx->frame_size);
return -1;
return AVERROR(EINVAL);
}
} else {
s->avctx->frame_size = select_blocksize(s->samplerate, s->options.block_time_ms);