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Add support for audio quality configuration.

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This commit is contained in:
Themaister 2012-11-26 17:37:31 +01:00
parent 2c41fe7288
commit cf1a0381c7
1 changed files with 31 additions and 9 deletions
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40
record/ffemu.c
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@ -125,6 +125,11 @@ struct ff_config_param
unsigned sample_rate;
unsigned scale_factor;
// Keep same naming conventions as libavcodec.
bool audio_qscale;
int audio_global_quality;
int audio_bit_rate;
AVDictionary *video_opts;
AVDictionary *audio_opts;
};
@ -154,7 +159,10 @@ static bool ffemu_init_audio(struct ff_config_param *params, struct ff_audio_inf
{
AVCodec *codec = avcodec_find_encoder_by_name(*params->acodec ? params->acodec : "flac");
if (!codec)
{
RARCH_ERR("[FFmpeg]: Cannot find acodec %s.\n", *params->acodec ? params->acodec : "flac");
return false;
}
audio->encoder = codec;
@ -182,6 +190,14 @@ static bool ffemu_init_audio(struct ff_config_param *params, struct ff_audio_inf
audio->codec->time_base = av_d2q(1.0 / param->samplerate, 1000000);
}
if (params->audio_qscale)
{
audio->codec->flags |= CODEC_FLAG_QSCALE;
audio->codec->global_quality = params->audio_global_quality;
}
else if (params->audio_bit_rate)
audio->codec->bit_rate = params->audio_bit_rate;
audio->sample_size = audio->use_float ? sizeof(float) : sizeof(int16_t);
// Allow experimental codecs.
@ -219,20 +235,16 @@ static bool ffemu_init_video(struct ff_config_param *params, struct ff_video_inf
codec = avcodec_find_encoder_by_name(params->vcodec);
else
{
codec = avcodec_find_encoder_by_name("libx264rgb");
// Older versions of FFmpeg have RGB encoding in libx264.
if (!codec)
codec = avcodec_find_encoder_by_name("libx264");
video->pix_fmt = PIX_FMT_BGR24;
video->scaler.out_fmt = SCALER_FMT_BGR24;
// By default, we want lossless video.
// By default, lossless video.
av_dict_set(&params->video_opts, "qp", "0", 0);
codec = avcodec_find_encoder_by_name("libx264rgb");
}
if (!codec)
{
RARCH_ERR("[FFmpeg]: Cannot find vcodec %s.\n", *params->vcodec ? params->vcodec : "libx264rgb");
return false;
}
video->encoder = codec;
@ -260,6 +272,11 @@ static bool ffemu_init_video(struct ff_config_param *params, struct ff_video_inf
break;
}
}
else // Use BGR24 as default out format.
{
video->pix_fmt = PIX_FMT_BGR24;
video->scaler.out_fmt = SCALER_FMT_BGR24;
}
switch (param->pix_fmt)
{
@ -287,6 +304,8 @@ static bool ffemu_init_video(struct ff_config_param *params, struct ff_video_inf
video->codec = avcodec_alloc_context3(codec);
// Useful to set scale_factor to 2 for chroma subsampled formats to maintain full chroma resolution.
// (Or just use 4:4:4 or RGB ...)
param->out_width *= params->scale_factor;
param->out_height *= params->scale_factor;
@ -340,6 +359,9 @@ static bool ffemu_init_config(struct ff_config_param *params, const char *config
if (!config_get_uint(params->conf, "scale_factor", &params->scale_factor))
params->scale_factor = 1;
params->audio_qscale = config_get_int(params->conf, "audio_global_quality", &params->audio_global_quality);
config_get_int(params->conf, "audio_bit_rate", &params->audio_bit_rate);
char pix_fmt[64] = {0};
if (config_get_array(params->conf, "pix_fmt", pix_fmt, sizeof(pix_fmt)))
{