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https://github.com/FFmpeg/FFmpeg.git
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aacenc: cosmetics: move init() and end() to the bottom of the file.
Signed-off-by: Alex Converse <alex.converse@gmail.com>
This commit is contained in:
Nathan Caldwell
Alex Converse
parent
17ae608127
commit
5310704190
@ -166,108 +166,6 @@ static void put_audio_specific_config(AVCodecContext *avctx)
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flush_put_bits(&pb);
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}
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static av_cold int aac_encode_end(AVCodecContext *avctx)
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{
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AACEncContext *s = avctx->priv_data;
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ff_mdct_end(&s->mdct1024);
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ff_mdct_end(&s->mdct128);
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ff_psy_end(&s->psy);
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if (s->psypp)
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ff_psy_preprocess_end(s->psypp);
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av_freep(&s->samples);
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av_freep(&s->cpe);
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return 0;
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}
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static av_cold int dsp_init(AVCodecContext *avctx, AACEncContext *s)
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{
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int ret = 0;
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dsputil_init(&s->dsp, avctx);
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// window init
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ff_kbd_window_init(ff_aac_kbd_long_1024, 4.0, 1024);
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ff_kbd_window_init(ff_aac_kbd_short_128, 6.0, 128);
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ff_init_ff_sine_windows(10);
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ff_init_ff_sine_windows(7);
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if (ret = ff_mdct_init(&s->mdct1024, 11, 0, 1.0))
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return ret;
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if (ret = ff_mdct_init(&s->mdct128, 8, 0, 1.0))
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return ret;
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return 0;
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}
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static av_cold int alloc_buffers(AVCodecContext *avctx, AACEncContext *s)
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{
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FF_ALLOC_OR_GOTO (avctx, s->samples, 2 * 1024 * avctx->channels * sizeof(s->samples[0]), alloc_fail);
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FF_ALLOCZ_OR_GOTO(avctx, s->cpe, sizeof(ChannelElement) * s->chan_map[0], alloc_fail);
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FF_ALLOCZ_OR_GOTO(avctx, avctx->extradata, 5 + FF_INPUT_BUFFER_PADDING_SIZE, alloc_fail);
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return 0;
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alloc_fail:
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return AVERROR(ENOMEM);
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}
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static av_cold int aac_encode_init(AVCodecContext *avctx)
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{
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AACEncContext *s = avctx->priv_data;
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int i, ret = 0;
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const uint8_t *sizes[2];
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uint8_t grouping[AAC_MAX_CHANNELS];
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int lengths[2];
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avctx->frame_size = 1024;
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for (i = 0; i < 16; i++)
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if (avctx->sample_rate == avpriv_mpeg4audio_sample_rates[i])
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break;
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ERROR_IF(i == 16,
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"Unsupported sample rate %d\n", avctx->sample_rate);
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ERROR_IF(avctx->channels > AAC_MAX_CHANNELS,
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"Unsupported number of channels: %d\n", avctx->channels);
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ERROR_IF(avctx->profile != FF_PROFILE_UNKNOWN && avctx->profile != FF_PROFILE_AAC_LOW,
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"Unsupported profile %d\n", avctx->profile);
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ERROR_IF(1024.0 * avctx->bit_rate / avctx->sample_rate > 6144 * avctx->channels,
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"Too many bits per frame requested\n");
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s->samplerate_index = i;
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s->chan_map = aac_chan_configs[avctx->channels-1];
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if (ret = dsp_init(avctx, s))
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goto fail;
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if (ret = alloc_buffers(avctx, s))
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goto fail;
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avctx->extradata_size = 5;
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put_audio_specific_config(avctx);
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sizes[0] = swb_size_1024[i];
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sizes[1] = swb_size_128[i];
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lengths[0] = ff_aac_num_swb_1024[i];
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lengths[1] = ff_aac_num_swb_128[i];
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for (i = 0; i < s->chan_map[0]; i++)
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grouping[i] = s->chan_map[i + 1] == TYPE_CPE;
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if (ret = ff_psy_init(&s->psy, avctx, 2, sizes, lengths, s->chan_map[0], grouping))
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goto fail;
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s->psypp = ff_psy_preprocess_init(avctx);
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s->coder = &ff_aac_coders[2];
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s->lambda = avctx->global_quality ? avctx->global_quality : 120;
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ff_aac_tableinit();
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return 0;
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fail:
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aac_encode_end(avctx);
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return ret;
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}
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static void apply_window_and_mdct(AVCodecContext *avctx, AACEncContext *s,
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SingleChannelElement *sce, short *audio)
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{
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@ -697,6 +595,108 @@ static int aac_encode_frame(AVCodecContext *avctx,
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return put_bits_count(&s->pb)>>3;
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}
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static av_cold int aac_encode_end(AVCodecContext *avctx)
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{
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AACEncContext *s = avctx->priv_data;
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ff_mdct_end(&s->mdct1024);
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ff_mdct_end(&s->mdct128);
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ff_psy_end(&s->psy);
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if (s->psypp)
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ff_psy_preprocess_end(s->psypp);
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av_freep(&s->samples);
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av_freep(&s->cpe);
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return 0;
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}
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static av_cold int dsp_init(AVCodecContext *avctx, AACEncContext *s)
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{
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int ret = 0;
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dsputil_init(&s->dsp, avctx);
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// window init
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ff_kbd_window_init(ff_aac_kbd_long_1024, 4.0, 1024);
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ff_kbd_window_init(ff_aac_kbd_short_128, 6.0, 128);
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ff_init_ff_sine_windows(10);
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ff_init_ff_sine_windows(7);
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if (ret = ff_mdct_init(&s->mdct1024, 11, 0, 1.0))
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return ret;
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if (ret = ff_mdct_init(&s->mdct128, 8, 0, 1.0))
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return ret;
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return 0;
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}
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static av_cold int alloc_buffers(AVCodecContext *avctx, AACEncContext *s)
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{
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FF_ALLOC_OR_GOTO (avctx, s->samples, 2 * 1024 * avctx->channels * sizeof(s->samples[0]), alloc_fail);
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FF_ALLOCZ_OR_GOTO(avctx, s->cpe, sizeof(ChannelElement) * s->chan_map[0], alloc_fail);
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FF_ALLOCZ_OR_GOTO(avctx, avctx->extradata, 5 + FF_INPUT_BUFFER_PADDING_SIZE, alloc_fail);
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return 0;
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alloc_fail:
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return AVERROR(ENOMEM);
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}
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static av_cold int aac_encode_init(AVCodecContext *avctx)
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{
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AACEncContext *s = avctx->priv_data;
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int i, ret = 0;
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const uint8_t *sizes[2];
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uint8_t grouping[AAC_MAX_CHANNELS];
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int lengths[2];
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avctx->frame_size = 1024;
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for (i = 0; i < 16; i++)
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if (avctx->sample_rate == avpriv_mpeg4audio_sample_rates[i])
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break;
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ERROR_IF(i == 16,
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"Unsupported sample rate %d\n", avctx->sample_rate);
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ERROR_IF(avctx->channels > AAC_MAX_CHANNELS,
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"Unsupported number of channels: %d\n", avctx->channels);
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ERROR_IF(avctx->profile != FF_PROFILE_UNKNOWN && avctx->profile != FF_PROFILE_AAC_LOW,
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"Unsupported profile %d\n", avctx->profile);
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ERROR_IF(1024.0 * avctx->bit_rate / avctx->sample_rate > 6144 * avctx->channels,
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"Too many bits per frame requested\n");
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s->samplerate_index = i;
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s->chan_map = aac_chan_configs[avctx->channels-1];
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if (ret = dsp_init(avctx, s))
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goto fail;
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if (ret = alloc_buffers(avctx, s))
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goto fail;
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avctx->extradata_size = 5;
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put_audio_specific_config(avctx);
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sizes[0] = swb_size_1024[i];
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sizes[1] = swb_size_128[i];
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lengths[0] = ff_aac_num_swb_1024[i];
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lengths[1] = ff_aac_num_swb_128[i];
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for (i = 0; i < s->chan_map[0]; i++)
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grouping[i] = s->chan_map[i + 1] == TYPE_CPE;
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if (ret = ff_psy_init(&s->psy, avctx, 2, sizes, lengths, s->chan_map[0], grouping))
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goto fail;
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s->psypp = ff_psy_preprocess_init(avctx);
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s->coder = &ff_aac_coders[2];
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s->lambda = avctx->global_quality ? avctx->global_quality : 120;
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ff_aac_tableinit();
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return 0;
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fail:
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aac_encode_end(avctx);
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return ret;
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}
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#define AACENC_FLAGS AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_AUDIO_PARAM
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static const AVOption aacenc_options[] = {
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{"stereo_mode", "Stereo coding method", offsetof(AACEncContext, options.stereo_mode), AV_OPT_TYPE_INT, {.dbl = 0}, -1, 1, AACENC_FLAGS, "stereo_mode"},
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