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Improve ac3_encode_init() error reporting.

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Return AVERROR(EINVAL) instead of -1. Propogate errors from called functions.
Add some error log printouts.

Originally committed as revision 25982 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Justin Ruggles 2010-12-14 14:52:34 +00:00
parent b64d842c1d
commit ddf63d37b8
1 changed files with 14 additions and 10 deletions
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24
libavcodec/ac3enc.c
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@ -1211,14 +1211,14 @@ static av_cold int set_channel_info(AC3EncodeContext *s, int channels,
int ch_layout;
if (channels < 1 || channels > AC3_MAX_CHANNELS)
return -1;
return AVERROR(EINVAL);
if ((uint64_t)*channel_layout > 0x7FF)
return -1;
return AVERROR(EINVAL);
ch_layout = *channel_layout;
if (!ch_layout)
ch_layout = avcodec_guess_channel_layout(channels, CODEC_ID_AC3, NULL);
if (av_get_channel_layout_nb_channels(ch_layout) != channels)
return -1;
return AVERROR(EINVAL);
s->lfe_on = !!(ch_layout & AV_CH_LOW_FREQUENCY);
s->channels = channels;
@ -1238,7 +1238,7 @@ static av_cold int set_channel_info(AC3EncodeContext *s, int channels,
case AV_CH_LAYOUT_5POINT0:
case AV_CH_LAYOUT_5POINT0_BACK: s->channel_mode = AC3_CHMODE_3F2R; break;
default:
return -1;
return AVERROR(EINVAL);
}
s->channel_map = ff_ac3_enc_channel_map[s->channel_mode][s->lfe_on];
@ -1252,16 +1252,17 @@ static av_cold int set_channel_info(AC3EncodeContext *s, int channels,
static av_cold int validate_options(AVCodecContext *avctx, AC3EncodeContext *s)
{
int i;
int i, ret;
if (!avctx->channel_layout) {
av_log(avctx, AV_LOG_WARNING, "No channel layout specified. The "
"encoder will guess the layout, but it "
"might be incorrect.\n");
}
if (set_channel_info(s, avctx->channels, &avctx->channel_layout)) {
ret = set_channel_info(s, avctx->channels, &avctx->channel_layout);
if (ret) {
av_log(avctx, AV_LOG_ERROR, "invalid channel layout\n");
return -1;
return ret;
}
/* frequency */
@ -1270,7 +1271,8 @@ static av_cold int validate_options(AVCodecContext *avctx, AC3EncodeContext *s)
break;
}
if (i == 9) {
return -1;
av_log(avctx, AV_LOG_ERROR, "invalid sample rate\n");
return AVERROR(EINVAL);
}
s->sample_rate = avctx->sample_rate;
s->bit_alloc.sr_shift = i % 3;
@ -1283,8 +1285,10 @@ static av_cold int validate_options(AVCodecContext *avctx, AC3EncodeContext *s)
if ((ff_ac3_bitrate_tab[i] >> s->bit_alloc.sr_shift)*1000 == avctx->bit_rate)
break;
}
if (i == 19)
return -1;
if (i == 19) {
av_log(avctx, AV_LOG_ERROR, "invalid bit rate\n");
return AVERROR(EINVAL);
}
s->bit_rate = avctx->bit_rate;
s->frame_size_code = i << 1;