openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-23 11:19:55 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

asvenc: use the AVFrame API properly.

Browse Source
This commit is contained in:
Anton Khirnov 2013-11-09 10:14:46 +01:00
parent 13e9cc9ce0
commit 6139f481ac
3 changed files with 18 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
libavcodec/asv.c
View File

@ -89,6 +89,5 @@ av_cold void ff_asv_common_init(AVCodecContext *avctx) {
a->mb_width2 = (avctx->width + 0) / 16;
a->mb_height2 = (avctx->height + 0) / 16;
avctx->coded_frame= &a->picture;
a->avctx= avctx;
}

1
libavcodec/asv.h
View File

@ -38,7 +38,6 @@
typedef struct ASV1Context{
AVCodecContext *avctx;
DSPContext dsp;
AVFrame picture;
PutBitContext pb;
GetBitContext gb;
ScanTable scantable;

33
libavcodec/asvenc.c
View File

@ -147,14 +147,16 @@ static inline int encode_mb(ASV1Context *a, int16_t block[6][64]){
return 0;
}
static inline void dct_get(ASV1Context *a, int mb_x, int mb_y){
static inline void dct_get(ASV1Context *a, const AVFrame *frame,
int mb_x, int mb_y)
{
int16_t (*block)[64]= a->block;
int linesize= a->picture.linesize[0];
int linesize = frame->linesize[0];
int i;
uint8_t *ptr_y = a->picture.data[0] + (mb_y * 16* linesize ) + mb_x * 16;
uint8_t *ptr_cb = a->picture.data[1] + (mb_y * 8 * a->picture.linesize[1]) + mb_x * 8;
uint8_t *ptr_cr = a->picture.data[2] + (mb_y * 8 * a->picture.linesize[2]) + mb_x * 8;
uint8_t *ptr_y = frame->data[0] + (mb_y * 16* linesize ) + mb_x * 16;
uint8_t *ptr_cb = frame->data[1] + (mb_y * 8 * frame->linesize[1]) + mb_x * 8;
uint8_t *ptr_cr = frame->data[2] + (mb_y * 8 * frame->linesize[2]) + mb_x * 8;
a->dsp.get_pixels(block[0], ptr_y , linesize);
a->dsp.get_pixels(block[1], ptr_y + 8, linesize);
@ -164,8 +166,8 @@ static inline void dct_get(ASV1Context *a, int mb_x, int mb_y){
a->dsp.fdct(block[i]);
if(!(a->avctx->flags&CODEC_FLAG_GRAY)){
a->dsp.get_pixels(block[4], ptr_cb, a->picture.linesize[1]);
a->dsp.get_pixels(block[5], ptr_cr, a->picture.linesize[2]);
a->dsp.get_pixels(block[4], ptr_cb, frame->linesize[1]);
a->dsp.get_pixels(block[5], ptr_cr, frame->linesize[2]);
for(i=4; i<6; i++)
a->dsp.fdct(block[i]);
}
@ -175,7 +177,6 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
ASV1Context * const a = avctx->priv_data;
AVFrame * const p= &a->picture;
int size, ret;
int mb_x, mb_y;
@ -188,13 +189,9 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
init_put_bits(&a->pb, pkt->data, pkt->size);
*p = *pict;
p->pict_type= AV_PICTURE_TYPE_I;
p->key_frame= 1;
for(mb_y=0; mb_y<a->mb_height2; mb_y++){
for(mb_x=0; mb_x<a->mb_width2; mb_x++){
dct_get(a, mb_x, mb_y);
dct_get(a, pict, mb_x, mb_y);
encode_mb(a, a->block);
}
}
@ -202,7 +199,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
if(a->mb_width2 != a->mb_width){
mb_x= a->mb_width2;
for(mb_y=0; mb_y<a->mb_height2; mb_y++){
dct_get(a, mb_x, mb_y);
dct_get(a, pict, mb_x, mb_y);
encode_mb(a, a->block);
}
}
@ -210,7 +207,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
if(a->mb_height2 != a->mb_height){
mb_y= a->mb_height2;
for(mb_x=0; mb_x<a->mb_width; mb_x++){
dct_get(a, mb_x, mb_y);
dct_get(a, pict, mb_x, mb_y);
encode_mb(a, a->block);
}
}
@ -242,6 +239,12 @@ static av_cold int encode_init(AVCodecContext *avctx){
int i;
const int scale= avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
avctx->coded_frame->key_frame = 1;
ff_asv_common_init(avctx);
if(avctx->global_quality == 0) avctx->global_quality= 4*FF_QUALITY_SCALE;