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ffmpeg: don't abuse a global for passing channels from input to output

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It's broken with multiple files or audio streams.
This commit is contained in:
Anton Khirnov 2011-06-15 08:00:03 +02:00
parent d7ee44024c
commit 8f3e999736
1 changed files with 9 additions and 6 deletions
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15
ffmpeg.c
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@ -168,7 +168,7 @@ static int64_t channel_layout = 0;
#define QSCALE_NONE -99999
static float audio_qscale = QSCALE_NONE;
static int audio_disable = 0;
static int audio_channels = 1;
static int audio_channels = 0;
static char *audio_codec_name = NULL;
static unsigned int audio_codec_tag = 0;
static char *audio_language = NULL;
@ -2177,6 +2177,10 @@ static int transcode(AVFormatContext **output_files,
}
choose_sample_rate(ost->st, codec->codec);
codec->time_base = (AVRational){1, codec->sample_rate};
if (!codec->channels)
codec->channels = icodec->channels;
if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
codec->channel_layout = 0;
ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
icodec->request_channels = codec->channels;
ist->decoding_needed = 1;
@ -3274,7 +3278,6 @@ static int opt_input_file(const char *opt, const char *filename)
input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
channel_layout = dec->channel_layout;
audio_channels = dec->channels;
audio_sample_fmt = dec->sample_fmt;
if(audio_disable)
st->discard= AVDISCARD_ALL;
@ -3340,6 +3343,7 @@ static int opt_input_file(const char *opt, const char *filename)
video_channel = 0;
audio_sample_rate = 0;
audio_channels = 0;
av_freep(&video_codec_name);
av_freep(&audio_codec_name);
@ -3586,7 +3590,6 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
}
if (audio_stream_copy) {
st->stream_copy = 1;
audio_enc->channels = audio_channels;
} else {
audio_enc->codec_id = codec_id;
set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
@ -3595,13 +3598,12 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
audio_enc->flags |= CODEC_FLAG_QSCALE;
audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
}
audio_enc->channels = audio_channels;
if (audio_channels)
audio_enc->channels = audio_channels;
audio_enc->sample_fmt = audio_sample_fmt;
if (audio_sample_rate)
audio_enc->sample_rate = audio_sample_rate;
audio_enc->channel_layout = channel_layout;
if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
audio_enc->channel_layout = 0;
choose_sample_fmt(st, codec);
}
if (audio_language) {
@ -3890,6 +3892,7 @@ static void opt_output_file(const char *filename)
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
audio_sample_rate = 0;
audio_channels = 0;
av_freep(&forced_key_frames);
uninit_opts();