openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-27 21:20:41 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

pcmenc: use AVCodec.encode2()

Browse Source
This commit is contained in:
Justin Ruggles 2012-01-08 17:37:16 -05:00
parent a6ccae3f4c
commit 05f95443ca
1 changed files with 17 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
libavcodec/pcm.c
View File

@ -27,6 +27,7 @@
#include "avcodec.h"
#include "libavutil/common.h" /* for av_reverse */
#include "bytestream.h"
#include "internal.h"
#include "pcm_tablegen.h"
#define MAX_CHANNELS 64
@ -77,10 +78,10 @@ static av_cold int pcm_encode_close(AVCodecContext *avctx)
bytestream_put_##endian(&dst, v); \
}
static int pcm_encode_frame(AVCodecContext *avctx,
unsigned char *frame, int buf_size, void *data)
static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
const AVFrame *frame, int *got_packet_ptr)
{
int n, sample_size, v;
int n, sample_size, v, ret;
const short *samples;
unsigned char *dst;
const uint8_t *srcu8;
@ -91,9 +92,14 @@ static int pcm_encode_frame(AVCodecContext *avctx,
const uint32_t *samples_uint32_t;
sample_size = av_get_bits_per_sample(avctx->codec->id)/8;
n = buf_size / sample_size;
samples = data;
dst = frame;
n = frame->nb_samples * avctx->channels;
samples = (const short *)frame->data[0];
if ((ret = ff_alloc_packet(avpkt, n * sample_size))) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
return ret;
}
dst = avpkt->data;
switch(avctx->codec->id) {
case CODEC_ID_PCM_U32LE:
@ -130,7 +136,7 @@ static int pcm_encode_frame(AVCodecContext *avctx,
ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
break;
case CODEC_ID_PCM_S8:
srcu8= data;
srcu8 = frame->data[0];
for(;n>0;n--) {
v = *srcu8++;
*dst++ = v - 128;
@ -186,9 +192,10 @@ static int pcm_encode_frame(AVCodecContext *avctx,
default:
return -1;
}
//avctx->frame_size = (dst - frame) / (sample_size * avctx->channels);
return dst - frame;
avpkt->size = frame->nb_samples * avctx->channels * sample_size;
*got_packet_ptr = 1;
return 0;
}
typedef struct PCMDecode {
@ -472,7 +479,7 @@ AVCodec ff_ ## name_ ## _encoder = { \
.type = AVMEDIA_TYPE_AUDIO, \
.id = id_, \
.init = pcm_encode_init, \
.encode = pcm_encode_frame, \
.encode2 = pcm_encode_frame, \
.close = pcm_encode_close, \
.capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \
.sample_fmts = (const enum AVSampleFormat[]){sample_fmt_,AV_SAMPLE_FMT_NONE}, \