* http://wiki.multimedia.cx/index.php?title=Nellymoser
*/
+#include "libavutil/float_dsp.h"
#include "libavutil/mathematics.h"
#include "nellymoser.h"
#include "avcodec.h"
+#include "audio_frame_queue.h"
#include "dsputil.h"
#include "fft.h"
+#include "internal.h"
#include "sinewin.h"
#define BITSTREAM_WRITER_LE
AVCodecContext *avctx;
int last_frame;
DSPContext dsp;
+ AVFloatDSPContext fdsp;
FFTContext mdct_ctx;
+ AudioFrameQueue afq;
DECLARE_ALIGNED(32, float, mdct_out)[NELLY_SAMPLES];
DECLARE_ALIGNED(32, float, in_buff)[NELLY_SAMPLES];
DECLARE_ALIGNED(32, float, buf)[3 * NELLY_BUF_LEN]; ///< sample buffer
float *in1 = s->buf + NELLY_BUF_LEN;
float *in2 = s->buf + 2 * NELLY_BUF_LEN;
- s->dsp.vector_fmul (s->in_buff, in0, ff_sine_128, NELLY_BUF_LEN);
+ s->fdsp.vector_fmul (s->in_buff, in0, ff_sine_128, NELLY_BUF_LEN);
s->dsp.vector_fmul_reverse(s->in_buff + NELLY_BUF_LEN, in1, ff_sine_128, NELLY_BUF_LEN);
s->mdct_ctx.mdct_calc(&s->mdct_ctx, s->mdct_out, s->in_buff);
- s->dsp.vector_fmul (s->in_buff, in1, ff_sine_128, NELLY_BUF_LEN);
+ s->fdsp.vector_fmul (s->in_buff, in1, ff_sine_128, NELLY_BUF_LEN);
s->dsp.vector_fmul_reverse(s->in_buff + NELLY_BUF_LEN, in2, ff_sine_128, NELLY_BUF_LEN);
s->mdct_ctx.mdct_calc(&s->mdct_ctx, s->mdct_out + NELLY_BUF_LEN, s->in_buff);
}
av_free(s->opt);
av_free(s->path);
}
+ ff_af_queue_close(&s->afq);
+#if FF_API_OLD_ENCODE_AUDIO
av_freep(&avctx->coded_frame);
+#endif
return 0;
}
avctx->frame_size = NELLY_SAMPLES;
avctx->delay = NELLY_BUF_LEN;
+ ff_af_queue_init(avctx, &s->afq);
s->avctx = avctx;
if ((ret = ff_mdct_init(&s->mdct_ctx, 8, 0, 32768.0)) < 0)
goto error;
ff_dsputil_init(&s->dsp, avctx);
+ avpriv_float_dsp_init(&s->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
/* Generate overlap window */
ff_sine_window_init(ff_sine_128, 128);
}
}
+#if FF_API_OLD_ENCODE_AUDIO
avctx->coded_frame = avcodec_alloc_frame();
if (!avctx->coded_frame) {
ret = AVERROR(ENOMEM);
goto error;
}
+#endif
return 0;
error:
}
flush_put_bits(&pb);
+ memset(put_bits_ptr(&pb), 0, output + output_size - put_bits_ptr(&pb));
}
-static int encode_frame(AVCodecContext *avctx, uint8_t *frame, int buf_size, void *data)
+static int encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
+ const AVFrame *frame, int *got_packet_ptr)
{
NellyMoserEncodeContext *s = avctx->priv_data;
- const float *samples = data;
+ int ret;
if (s->last_frame)
return 0;
memcpy(s->buf, s->buf + NELLY_SAMPLES, NELLY_BUF_LEN * sizeof(*s->buf));
- if (data) {
- memcpy(s->buf + NELLY_BUF_LEN, samples, avctx->frame_size * sizeof(*s->buf));
- if (avctx->frame_size < NELLY_SAMPLES) {
- memset(s->buf + NELLY_BUF_LEN + avctx->frame_size, 0,
- (NELLY_SAMPLES - avctx->frame_size) * sizeof(*s->buf));
- if (avctx->frame_size >= NELLY_BUF_LEN)
+ if (frame) {
+ memcpy(s->buf + NELLY_BUF_LEN, frame->data[0],
+ frame->nb_samples * sizeof(*s->buf));
+ if (frame->nb_samples < NELLY_SAMPLES) {
+ memset(s->buf + NELLY_BUF_LEN + frame->nb_samples, 0,
+ (NELLY_SAMPLES - frame->nb_samples) * sizeof(*s->buf));
+ if (frame->nb_samples >= NELLY_BUF_LEN)
s->last_frame = 1;
}
+ if ((ret = ff_af_queue_add(&s->afq, frame) < 0))
+ return ret;
} else {
memset(s->buf + NELLY_BUF_LEN, 0, NELLY_SAMPLES * sizeof(*s->buf));
s->last_frame = 1;
}
- encode_block(s, frame, buf_size);
- return NELLY_BLOCK_LEN;
+ if ((ret = ff_alloc_packet(avpkt, NELLY_BLOCK_LEN))) {
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+ return ret;
+ }
+ encode_block(s, avpkt->data, avpkt->size);
+
+ /* Get the next frame pts/duration */
+ ff_af_queue_remove(&s->afq, avctx->frame_size, &avpkt->pts,
+ &avpkt->duration);
+
+ *got_packet_ptr = 1;
+ return 0;
}
AVCodec ff_nellymoser_encoder = {
- .name = "nellymoser",
- .type = AVMEDIA_TYPE_AUDIO,
- .id = CODEC_ID_NELLYMOSER,
+ .name = "nellymoser",
+ .type = AVMEDIA_TYPE_AUDIO,
+ .id = CODEC_ID_NELLYMOSER,
.priv_data_size = sizeof(NellyMoserEncodeContext),
- .init = encode_init,
- .encode = encode_frame,
- .close = encode_end,
- .capabilities = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY,
- .long_name = NULL_IF_CONFIG_SMALL("Nellymoser Asao"),
- .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_FLT,AV_SAMPLE_FMT_NONE},
+ .init = encode_init,
+ .encode2 = encode_frame,
+ .close = encode_end,
+ .capabilities = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY,
+ .long_name = NULL_IF_CONFIG_SMALL("Nellymoser Asao"),
+ .sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_FLT,
+ AV_SAMPLE_FMT_NONE },
};