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authorKostya Shishkov <kostya.shishkov@gmail.com>2008-08-18 05:38:26 +0000
committerKostya Shishkov <kostya.shishkov@gmail.com>2008-08-18 05:38:26 +0000
commitb54bf2d6ebae3c6665e86179e17d26e75b2b1aa3 (patch)
tree5f3c744744e164dbb99d5405304a81ad2bb10ff2 /libavcodec/aacenc.c
parentca048266273a8964d7c7c168bd0255236f460961 (diff)
Add okayed parts for AAC encoder
Originally committed as revision 14821 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/aacenc.c')
-rw-r--r--libavcodec/aacenc.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/libavcodec/aacenc.c b/libavcodec/aacenc.c
index dccb29a512..178cb2114f 100644
--- a/libavcodec/aacenc.c
+++ b/libavcodec/aacenc.c
@@ -162,6 +162,12 @@ typedef struct {
MDCTContext mdct1024; ///< long (1024 samples) frame transform context
MDCTContext mdct128; ///< short (128 samples) frame transform context
DSPContext dsp;
+ DECLARE_ALIGNED_16(FFTSample, output[2048]); ///< temporary buffer for MDCT input coefficients
+ int16_t* samples; ///< saved preprocessed input
+
+ int samplerate_index; ///< MPEG-4 samplerate index
+
+ ChannelElement *cpe; ///< channel elements
AACPsyContext psy; ///< psychoacoustic model context
int last_frame;
} AACEncContext;
@@ -221,7 +227,9 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
s->samples = av_malloc(2 * 1024 * avctx->channels * sizeof(s->samples[0]));
s->cpe = av_mallocz(sizeof(ChannelElement) * aac_chan_configs[avctx->channels-1][0]);
- if(ff_aac_psy_init(&s->psy, avctx, AAC_PSY_3GPP, aac_chan_configs[avctx->channels-1][0], 0, s->swb_sizes1024, s->swb_num1024, s->swb_sizes128, s->swb_num128) < 0){
+ if(ff_aac_psy_init(&s->psy, avctx, AAC_PSY_3GPP,
+ aac_chan_configs[avctx->channels-1][0], 0,
+ s->swb_sizes1024, s->swb_num1024, s->swb_sizes128, s->swb_num128) < 0){
av_log(avctx, AV_LOG_ERROR, "Cannot initialize selected model.\n");
return -1;
}
@@ -256,7 +264,7 @@ static void put_ics_info(AVCodecContext *avctx, IndividualChannelStream *info)
/**
* Encode pulse data.
*/
-static void encode_pulses(AVCodecContext *avctx, AACEncContext *s, Pulse *pulse, int channel)
+static void encode_pulses(AACEncContext *s, Pulse *pulse, int channel)
{
int i;
@@ -274,7 +282,7 @@ static void encode_pulses(AVCodecContext *avctx, AACEncContext *s, Pulse *pulse,
/**
* Encode spectral coefficients processed by psychoacoustic model.
*/
-static void encode_spectral_coeffs(AVCodecContext *avctx, AACEncContext *s, ChannelElement *cpe, int channel)
+static void encode_spectral_coeffs(AACEncContext *s, ChannelElement *cpe, int channel)
{
int start, i, w, w2, wg;
@@ -287,7 +295,9 @@ static void encode_spectral_coeffs(AVCodecContext *avctx, AACEncContext *s, Chan
continue;
}
for(w2 = w; w2 < w + cpe->ch[channel].ics.group_len[wg]; w2++){
- encode_band_coeffs(s, cpe, channel, start + w2*128, cpe->ch[channel].ics.swb_sizes[i], cpe->ch[channel].band_type[w*16 + i]);
+ encode_band_coeffs(s, cpe, channel, start + w2*128,
+ cpe->ch[channel].ics.swb_sizes[i],
+ cpe->ch[channel].band_type[w*16 + i]);
}
start += cpe->ch[channel].ics.swb_sizes[i];
}