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alacenc: use AVCodec.encode2()

This commit is contained in:
Justin Ruggles 2012-02-03 18:04:58 -05:00
parent bee80054f7
commit 764852d653
1 changed files with 17 additions and 13 deletions
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30
libavcodec/alacenc.c
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@ -22,6 +22,7 @@
#include "avcodec.h"
#include "put_bits.h"
#include "dsputil.h"
#include "internal.h"
#include "lpc.h"
#include "mathops.h"
@ -346,14 +347,14 @@ static void alac_entropy_coder(AlacEncodeContext *s)
}
}
static int write_frame(AlacEncodeContext *s, uint8_t *data, int size,
static int write_frame(AlacEncodeContext *s, AVPacket *avpkt,
const int16_t *samples)
{
int i, j;
int prediction_type = 0;
PutBitContext *pb = &s->pbctx;
init_put_bits(pb, data, size);
init_put_bits(pb, avpkt->data, avpkt->size);
if (s->verbatim) {
write_frame_header(s);
@ -536,13 +537,14 @@ error:
return ret;
}
static int alac_encode_frame(AVCodecContext *avctx, uint8_t *frame,
int buf_size, void *data)
static int alac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr)
{
AlacEncodeContext *s = avctx->priv_data;
int out_bytes, max_frame_size;
int out_bytes, max_frame_size, ret;
const int16_t *samples = (const int16_t *)frame->data[0];
s->frame_size = avctx->frame_size;
s->frame_size = frame->nb_samples;
if (avctx->frame_size < DEFAULT_FRAME_SIZE)
max_frame_size = get_max_frame_size(s->frame_size, avctx->channels,
@ -550,23 +552,25 @@ static int alac_encode_frame(AVCodecContext *avctx, uint8_t *frame,
else
max_frame_size = s->max_coded_frame_size;
if (buf_size < 2 * max_frame_size) {
av_log(avctx, AV_LOG_ERROR, "buffer size is too small\n");
return AVERROR(EINVAL);
if ((ret = ff_alloc_packet(avpkt, 2 * max_frame_size))) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
return ret;
}
/* use verbatim mode for compression_level 0 */
s->verbatim = !s->compression_level;
out_bytes = write_frame(s, frame, buf_size, data);
out_bytes = write_frame(s, avpkt, samples);
if (out_bytes > max_frame_size) {
/* frame too large. use verbatim mode */
s->verbatim = 1;
out_bytes = write_frame(s, frame, buf_size, data);
out_bytes = write_frame(s, avpkt, samples);
}
return out_bytes;
avpkt->size = out_bytes;
*got_packet_ptr = 1;
return 0;
}
AVCodec ff_alac_encoder = {
@ -575,7 +579,7 @@ AVCodec ff_alac_encoder = {
.id = CODEC_ID_ALAC,
.priv_data_size = sizeof(AlacEncodeContext),
.init = alac_encode_init,
.encode = alac_encode_frame,
.encode2 = alac_encode_frame,
.close = alac_encode_close,
.capabilities = CODEC_CAP_SMALL_LAST_FRAME,
.sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16,