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[xcode] Fix incorrect source BPS detection + support for more audio qualities

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This commit is contained in:
ejurgensen 2019-02-27 21:58:33 +01:00
parent 39037c7c8b
commit 1285128b9a
2 changed files with 65 additions and 4 deletions
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64
src/transcode.c
View File

@ -216,6 +216,16 @@ init_settings(struct settings_ctx *settings, enum transcode_profile profile)
settings->sample_format = AV_SAMPLE_FMT_S16;
break;
case XCODE_PCM16_96000:
settings->encode_audio = 1;
settings->format = "s16le";
settings->audio_codec = AV_CODEC_ID_PCM_S16LE;
settings->sample_rate = 96000;
settings->channel_layout = AV_CH_LAYOUT_STEREO;
settings->channels = 2;
settings->sample_format = AV_SAMPLE_FMT_S16;
break;
case XCODE_PCM24_44100:
settings->encode_audio = 1;
settings->format = "s24le";
@ -236,6 +246,46 @@ init_settings(struct settings_ctx *settings, enum transcode_profile profile)
settings->sample_format = AV_SAMPLE_FMT_S32;
break;
case XCODE_PCM24_96000:
settings->encode_audio = 1;
settings->format = "s24le";
settings->audio_codec = AV_CODEC_ID_PCM_S24LE;
settings->sample_rate = 96000;
settings->channel_layout = AV_CH_LAYOUT_STEREO;
settings->channels = 2;
settings->sample_format = AV_SAMPLE_FMT_S32;
break;
case XCODE_PCM32_44100:
settings->encode_audio = 1;
settings->format = "s32le";
settings->audio_codec = AV_CODEC_ID_PCM_S32LE;
settings->sample_rate = 44100;
settings->channel_layout = AV_CH_LAYOUT_STEREO;
settings->channels = 2;
settings->sample_format = AV_SAMPLE_FMT_S32;
break;
case XCODE_PCM32_48000:
settings->encode_audio = 1;
settings->format = "s32le";
settings->audio_codec = AV_CODEC_ID_PCM_S32LE;
settings->sample_rate = 48000;
settings->channel_layout = AV_CH_LAYOUT_STEREO;
settings->channels = 2;
settings->sample_format = AV_SAMPLE_FMT_S32;
break;
case XCODE_PCM32_96000:
settings->encode_audio = 1;
settings->format = "s32le";
settings->audio_codec = AV_CODEC_ID_PCM_S32LE;
settings->sample_rate = 96000;
settings->channel_layout = AV_CH_LAYOUT_STEREO;
settings->channels = 2;
settings->sample_format = AV_SAMPLE_FMT_S32;
break;
case XCODE_MP3:
settings->encode_audio = 1;
settings->format = "mp3";
@ -1198,17 +1248,19 @@ transcode_encode_setup(enum transcode_profile profile, struct decode_ctx *src_ct
ctx->settings.width = width;
ctx->settings.height = height;
// Profile does not specify a sample rate -> use same as source
if (!ctx->settings.sample_rate && ctx->settings.encode_audio)
ctx->settings.sample_rate = src_ctx->audio_stream.codec->sample_rate;
// Profile does not specify a sample format -> use same as source
if (!ctx->settings.sample_format && ctx->settings.encode_audio)
{
bps = av_get_bits_per_sample(src_ctx->audio_stream.codec->codec_id);
if (bps >= 24)
bps = av_get_bytes_per_sample(src_ctx->audio_stream.codec->sample_fmt);
if (bps == 4)
{
ctx->settings.sample_format = AV_SAMPLE_FMT_S32;
ctx->settings.audio_codec = AV_CODEC_ID_PCM_S24LE;
ctx->settings.format = "s24le";
ctx->settings.audio_codec = AV_CODEC_ID_PCM_S32LE;
ctx->settings.format = "s32le";
}
else
{
@ -1582,6 +1634,10 @@ transcode_frame_new(void *data, size_t size, int nsamples, int sample_rate, int
{
f->format = AV_SAMPLE_FMT_S32;
}
else if (bits_per_sample == 32)
{
f->format = AV_SAMPLE_FMT_S32;
}
else
{
DPRINTF(E_LOG, L_XCODE, "transcode_frame_new() called with unsupported bps (%d)\n", bits_per_sample);

5
src/transcode.h
View File

@ -17,8 +17,13 @@ enum transcode_profile
// Decodes/resamples the best audio stream (no wav headers)
XCODE_PCM16_44100,
XCODE_PCM16_48000,
XCODE_PCM16_96000,
XCODE_PCM24_44100,
XCODE_PCM24_48000,
XCODE_PCM24_96000,
XCODE_PCM32_44100,
XCODE_PCM32_48000,
XCODE_PCM32_96000,
// Transcodes the best audio stream into MP3
XCODE_MP3,
// Transcodes the best audio stream into OPUS