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authorMichael Niedermayer <michaelni@gmx.at>2012-10-07 11:23:29 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-10-07 11:28:38 +0200
commit79d30321a29dc648d5a475ce5086b2760d5d8c12 (patch)
treec712b09b56a0937ca08a1c89365addd8e4e33d4b /libavcodec/libmp3lame.c
parent537ef8bebf8a35aab448db6ec876e275a10f0f15 (diff)
parent31b2262dca9cc77709d20c45610ec8030e7f9257 (diff)
downloadffmpeg-streaming-79d30321a29dc648d5a475ce5086b2760d5d8c12.zip
ffmpeg-streaming-79d30321a29dc648d5a475ce5086b2760d5d8c12.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: wmaenc: use float planar sample format (e)ac3enc: use planar sample format aacenc: use planar sample format adpcmenc: use planar sample format for adpcm_ima_wav and adpcm_ima_qt adpcmenc: move 'ch' variable to higher scope adpcmenc: fix 3 instances of variable shadowing adpcm_ima_wav: simplify encoding libvorbis: use planar sample format libmp3lame: use planar sample formats vorbisenc: use float planar sample format ffm: do not write or read the audio sample format parseutils: fix parsing of invalid alpha values doc/RELEASE_NOTES: update for the 9 release. smoothstreamingenc: Add a more verbose error message smoothstreamingenc: Ignore the return value from mkdir smoothstreamingenc: Try writing a manifest when opening the muxer smoothstreamingenc: Move the output_chunk_list and write_manifest functions up smoothstreamingenc: Properly return errors from ism_flush to the caller smoothstreamingenc: Check the output UrlContext before accessing it Conflicts: doc/RELEASE_NOTES libavcodec/aacenc.c libavcodec/ac3enc_template.c libavcodec/wmaenc.c tests/ref/lavf/ffm Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/libmp3lame.c')
-rw-r--r--libavcodec/libmp3lame.c104
1 files changed, 38 insertions, 66 deletions
diff --git a/libavcodec/libmp3lame.c b/libavcodec/libmp3lame.c
index 427cacd..ce17e06 100644
--- a/libavcodec/libmp3lame.c
+++ b/libavcodec/libmp3lame.c
@@ -33,6 +33,7 @@
#include "libavutil/opt.h"
#include "avcodec.h"
#include "audio_frame_queue.h"
+#include "dsputil.h"
#include "internal.h"
#include "mpegaudio.h"
#include "mpegaudiodecheader.h"
@@ -46,8 +47,9 @@ typedef struct LAMEContext {
uint8_t buffer[BUFFER_SIZE];
int buffer_index;
int reservoir;
- void *planar_samples[2];
+ float *samples_flt[2];
AudioFrameQueue afq;
+ DSPContext dsp;
} LAMEContext;
@@ -58,8 +60,8 @@ static av_cold int mp3lame_encode_close(AVCodecContext *avctx)
#if FF_API_OLD_ENCODE_AUDIO
av_freep(&avctx->coded_frame);
#endif
- av_freep(&s->planar_samples[0]);
- av_freep(&s->planar_samples[1]);
+ av_freep(&s->samples_flt[0]);
+ av_freep(&s->samples_flt[1]);
ff_af_queue_close(&s->afq);
@@ -127,93 +129,63 @@ static av_cold int mp3lame_encode_init(AVCodecContext *avctx)
}
#endif
- /* sample format */
- if (avctx->sample_fmt == AV_SAMPLE_FMT_S32 ||
- avctx->sample_fmt == AV_SAMPLE_FMT_FLT) {
+ /* allocate float sample buffers */
+ if (avctx->sample_fmt == AV_SAMPLE_FMT_FLTP) {
int ch;
for (ch = 0; ch < avctx->channels; ch++) {
- s->planar_samples[ch] = av_malloc(avctx->frame_size *
- av_get_bytes_per_sample(avctx->sample_fmt));
- if (!s->planar_samples[ch]) {
+ s->samples_flt[ch] = av_malloc(avctx->frame_size *
+ sizeof(*s->samples_flt[ch]));
+ if (!s->samples_flt[ch]) {
ret = AVERROR(ENOMEM);
goto error;
}
}
}
+ ff_dsputil_init(&s->dsp, avctx);
+
return 0;
error:
mp3lame_encode_close(avctx);
return ret;
}
-#define DEINTERLEAVE(type, scale) do { \
- int ch, i; \
- for (ch = 0; ch < s->avctx->channels; ch++) { \
- const type *input = samples; \
- type *output = s->planar_samples[ch]; \
- input += ch; \
- for (i = 0; i < nb_samples; i++) { \
- output[i] = *input * scale; \
- input += s->avctx->channels; \
- } \
- } \
+#define ENCODE_BUFFER(func, buf_type, buf_name) do { \
+ lame_result = func(s->gfp, \
+ (const buf_type *)buf_name[0], \
+ (const buf_type *)buf_name[1], frame->nb_samples, \
+ s->buffer + s->buffer_index, \
+ BUFFER_SIZE - s->buffer_index); \
} while (0)
-static int encode_frame_int16(LAMEContext *s, void *samples, int nb_samples)
-{
- if (s->avctx->channels > 1) {
- return lame_encode_buffer_interleaved(s->gfp, samples,
- nb_samples,
- s->buffer + s->buffer_index,
- BUFFER_SIZE - s->buffer_index);
- } else {
- return lame_encode_buffer(s->gfp, samples, NULL, nb_samples,
- s->buffer + s->buffer_index,
- BUFFER_SIZE - s->buffer_index);
- }
-}
-
-static int encode_frame_int32(LAMEContext *s, void *samples, int nb_samples)
-{
- DEINTERLEAVE(int32_t, 1);
-
- return lame_encode_buffer_int(s->gfp,
- s->planar_samples[0], s->planar_samples[1],
- nb_samples,
- s->buffer + s->buffer_index,
- BUFFER_SIZE - s->buffer_index);
-}
-
-static int encode_frame_float(LAMEContext *s, void *samples, int nb_samples)
-{
- DEINTERLEAVE(float, 32768.0f);
-
- return lame_encode_buffer_float(s->gfp,
- s->planar_samples[0], s->planar_samples[1],
- nb_samples,
- s->buffer + s->buffer_index,
- BUFFER_SIZE - s->buffer_index);
-}
-
static int mp3lame_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr)
{
LAMEContext *s = avctx->priv_data;
MPADecodeHeader hdr;
- int len, ret;
+ int len, ret, ch;
int lame_result;
if (frame) {
switch (avctx->sample_fmt) {
- case AV_SAMPLE_FMT_S16:
- lame_result = encode_frame_int16(s, frame->data[0], frame->nb_samples);
+ case AV_SAMPLE_FMT_S16P:
+ ENCODE_BUFFER(lame_encode_buffer, int16_t, frame->data);
break;
- case AV_SAMPLE_FMT_S32:
- lame_result = encode_frame_int32(s, frame->data[0], frame->nb_samples);
+ case AV_SAMPLE_FMT_S32P:
+ ENCODE_BUFFER(lame_encode_buffer_int, int32_t, frame->data);
break;
- case AV_SAMPLE_FMT_FLT:
- lame_result = encode_frame_float(s, frame->data[0], frame->nb_samples);
+ case AV_SAMPLE_FMT_FLTP:
+ if (frame->linesize[0] < 4 * FFALIGN(frame->nb_samples, 8)) {
+ av_log(avctx, AV_LOG_ERROR, "inadequate AVFrame plane padding\n");
+ return AVERROR(EINVAL);
+ }
+ for (ch = 0; ch < avctx->channels; ch++) {
+ s->dsp.vector_fmul_scalar(s->samples_flt[ch],
+ (const float *)frame->data[ch],
+ 32768.0f,
+ FFALIGN(frame->nb_samples, 8));
+ }
+ ENCODE_BUFFER(lame_encode_buffer_float, float, s->samples_flt);
break;
default:
return AVERROR_BUG;
@@ -299,9 +271,9 @@ AVCodec ff_libmp3lame_encoder = {
.encode2 = mp3lame_encode_frame,
.close = mp3lame_encode_close,
.capabilities = CODEC_CAP_DELAY | CODEC_CAP_SMALL_LAST_FRAME,
- .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S32,
- AV_SAMPLE_FMT_FLT,
- AV_SAMPLE_FMT_S16,
+ .sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S32P,
+ AV_SAMPLE_FMT_FLTP,
+ AV_SAMPLE_FMT_S16P,
AV_SAMPLE_FMT_NONE },
.supported_samplerates = libmp3lame_sample_rates,
.channel_layouts = (const uint64_t[]) { AV_CH_LAYOUT_MONO,
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