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adxenc: use AVCodec.encode2()

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This commit is contained in:
Justin Ruggles 2012-03-21 13:58:09 -04:00
parent 54e6cf8a94
commit 6aba117f12
1 changed files with 20 additions and 16 deletions
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36
libavcodec/adxenc.c
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@ -22,6 +22,7 @@
#include "avcodec.h"
#include "adx.h"
#include "bytestream.h"
#include "internal.h"
#include "put_bits.h"
/**
@ -87,9 +88,6 @@ static int adx_encode_header(AVCodecContext *avctx, uint8_t *buf, int bufsize)
{
ADXContext *c = avctx->priv_data;
if (bufsize < HEADER_SIZE)
return AVERROR(EINVAL);
bytestream_put_be16(&buf, 0x8000); /* header signature */
bytestream_put_be16(&buf, HEADER_SIZE - 4); /* copyright offset */
bytestream_put_byte(&buf, 3); /* encoding */
@ -119,8 +117,10 @@ static av_cold int adx_encode_init(AVCodecContext *avctx)
}
avctx->frame_size = BLOCK_SAMPLES;
#if FF_API_OLD_ENCODE_AUDIO
avcodec_get_frame_defaults(&c->frame);
avctx->coded_frame = &c->frame;
#endif
/* the cutoff can be adjusted, but this seems to work pretty well */
c->cutoff = 500;
@ -129,34 +129,38 @@ static av_cold int adx_encode_init(AVCodecContext *avctx)
return 0;
}
static int adx_encode_frame(AVCodecContext *avctx, uint8_t *frame,
int buf_size, void *data)
static int adx_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr)
{
ADXContext *c = avctx->priv_data;
const int16_t *samples = data;
uint8_t *dst = frame;
int ch;
const int16_t *samples = (const int16_t *)frame->data[0];
uint8_t *dst;
int ch, out_size, ret;
out_size = BLOCK_SIZE * avctx->channels + !c->header_parsed * HEADER_SIZE;
if ((ret = ff_alloc_packet(avpkt, out_size)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
return ret;
}
dst = avpkt->data;
if (!c->header_parsed) {
int hdrsize;
if ((hdrsize = adx_encode_header(avctx, dst, buf_size)) < 0) {
if ((hdrsize = adx_encode_header(avctx, dst, avpkt->size)) < 0) {
av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
return AVERROR(EINVAL);
}
dst += hdrsize;
buf_size -= hdrsize;
c->header_parsed = 1;
}
if (buf_size < BLOCK_SIZE * avctx->channels) {
av_log(avctx, AV_LOG_ERROR, "output buffer is too small\n");
return AVERROR(EINVAL);
}
for (ch = 0; ch < avctx->channels; ch++) {
adx_encode(c, dst, samples + ch, &c->prev[ch], avctx->channels);
dst += BLOCK_SIZE;
}
return dst - frame;
*got_packet_ptr = 1;
return 0;
}
AVCodec ff_adpcm_adx_encoder = {
@ -165,7 +169,7 @@ AVCodec ff_adpcm_adx_encoder = {
.id = CODEC_ID_ADPCM_ADX,
.priv_data_size = sizeof(ADXContext),
.init = adx_encode_init,
.encode = adx_encode_frame,
.encode2 = adx_encode_frame,
.sample_fmts = (const enum AVSampleFormat[]) { AV_SAMPLE_FMT_S16,
AV_SAMPLE_FMT_NONE },
.long_name = NULL_IF_CONFIG_SMALL("SEGA CRI ADX ADPCM"),