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ffmpeg.wasm-core
Commit afa21a12 authored by Anton Khirnov's avatar Anton Khirnov
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p*menc: use the AVFrame API properly.

parent e2274aa5
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Showing with 79 additions and 69 deletions
libavcodec/Makefile
View file @ afa21a12
......@@ -279,21 +279,21 @@ OBJS-$(CONFIG_NELLYMOSER_DECODER) += nellymoserdec.o nellymoser.o
OBJS-$(CONFIG_NELLYMOSER_ENCODER) += nellymoserenc.o nellymoser.o
OBJS-$(CONFIG_NUV_DECODER) += nuv.o rtjpeg.o
OBJS-$(CONFIG_PAM_DECODER) += pnmdec.o pnm.o
OBJS-$(CONFIG_PAM_ENCODER) += pamenc.o pnm.o
OBJS-$(CONFIG_PAM_ENCODER) += pamenc.o
OBJS-$(CONFIG_PBM_DECODER) += pnmdec.o pnm.o
OBJS-$(CONFIG_PBM_ENCODER) += pnmenc.o pnm.o
OBJS-$(CONFIG_PBM_ENCODER) += pnmenc.o
OBJS-$(CONFIG_PCX_DECODER) += pcx.o
OBJS-$(CONFIG_PCX_ENCODER) += pcxenc.o
OBJS-$(CONFIG_PGM_DECODER) += pnmdec.o pnm.o
OBJS-$(CONFIG_PGM_ENCODER) += pnmenc.o pnm.o
OBJS-$(CONFIG_PGM_ENCODER) += pnmenc.o
OBJS-$(CONFIG_PGMYUV_DECODER) += pnmdec.o pnm.o
OBJS-$(CONFIG_PGMYUV_ENCODER) += pnmenc.o pnm.o
OBJS-$(CONFIG_PGMYUV_ENCODER) += pnmenc.o
OBJS-$(CONFIG_PGSSUB_DECODER) += pgssubdec.o
OBJS-$(CONFIG_PICTOR_DECODER) += pictordec.o cga_data.o
OBJS-$(CONFIG_PNG_DECODER) += png.o pngdec.o pngdsp.o
OBJS-$(CONFIG_PNG_ENCODER) += png.o pngenc.o
OBJS-$(CONFIG_PPM_DECODER) += pnmdec.o pnm.o
OBJS-$(CONFIG_PPM_ENCODER) += pnmenc.o pnm.o
OBJS-$(CONFIG_PPM_ENCODER) += pnmenc.o
OBJS-$(CONFIG_PRORES_DECODER) += proresdec.o proresdata.o proresdsp.o
OBJS-$(CONFIG_PRORES_ENCODER) += proresenc.o proresdata.o proresdsp.o
OBJS-$(CONFIG_PTX_DECODER) += ptx.o
......
libavcodec/pamenc.c
View file @ afa21a12
......@@ -22,14 +22,12 @@
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "pnm.h"
static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
PNMContext *s = avctx->priv_data;
AVFrame * const p = &s->picture;
uint8_t *bytestream_start, *bytestream, *bytestream_end;
const AVFrame * const p = pict;
int i, h, w, n, linesize, depth, maxval, ret;
const char *tuple_type;
uint8_t *ptr;
......@@ -41,13 +39,9 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
return ret;
}
*p = *pict;
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
s->bytestream_start =
s->bytestream = pkt->data;
s->bytestream_end = pkt->data + pkt->size;
bytestream_start =
bytestream = pkt->data;
bytestream_end = pkt->data + pkt->size;
h = avctx->height;
w = avctx->width;
......@@ -79,10 +73,10 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
default:
return -1;
}
snprintf(s->bytestream, s->bytestream_end - s->bytestream,
snprintf(bytestream, bytestream_end - bytestream,
"P7\nWIDTH %d\nHEIGHT %d\nDEPTH %d\nMAXVAL %d\nTUPLTYPE %s\nENDHDR\n",
w, h, depth, maxval, tuple_type);
s->bytestream += strlen(s->bytestream);
bytestream += strlen(bytestream);
ptr = p->data[0];
linesize = p->linesize[0];
......@@ -94,33 +88,50 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
v = ((uint32_t *)ptr)[j];
bytestream_put_be24(&s->bytestream, v);
*s->bytestream++ = v >> 24;
bytestream_put_be24(&bytestream, v);
*bytestream++ = v >> 24;
}
ptr += linesize;
}
} else {
for (i = 0; i < h; i++) {
memcpy(s->bytestream, ptr, n);
s->bytestream += n;
ptr += linesize;
memcpy(bytestream, ptr, n);
bytestream += n;
ptr += linesize;
}
}
pkt->size = s->bytestream - s->bytestream_start;
pkt->size = bytestream - bytestream_start;
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
static av_cold int pam_encode_init(AVCodecContext *avctx)
{
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;
return 0;
}
static av_cold int pam_encode_close(AVCodecContext *avctx)
{
av_frame_free(&avctx->coded_frame);
return 0;
}
AVCodec ff_pam_encoder = {
.name = "pam",
.long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PAM,
.priv_data_size = sizeof(PNMContext),
.init = ff_pnm_init,
.init = pam_encode_init,
.close = pam_encode_close,
.encode2 = pam_encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){
AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB32, AV_PIX_FMT_GRAY8, AV_PIX_FMT_MONOWHITE,
......
libavcodec/pnm.c
View file @ afa21a12
......@@ -184,13 +184,3 @@ int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s)
}
return 0;
}
av_cold int ff_pnm_init(AVCodecContext *avctx)
{
PNMContext *s = avctx->priv_data;
avcodec_get_frame_defaults(&s->picture);
avctx->coded_frame = &s->picture;
return 0;
}
libavcodec/pnm.h
View file @ afa21a12
......@@ -28,12 +28,10 @@ typedef struct PNMContext {
uint8_t *bytestream;
uint8_t *bytestream_start;
uint8_t *bytestream_end;
AVFrame picture;
int maxval; ///< maximum value of a pixel
int type;
} PNMContext;
int ff_pnm_decode_header(AVCodecContext *avctx, PNMContext * const s);
int ff_pnm_init(AVCodecContext *avctx);
#endif /* AVCODEC_PNM_H */
libavcodec/pnmenc.c
View file @ afa21a12
......@@ -23,14 +23,12 @@
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "pnm.h"
static int pnm_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
PNMContext *s = avctx->priv_data;
AVFrame * const p = &s->picture;
uint8_t *bytestream, *bytestream_start, *bytestream_end;
const AVFrame * const p = pict;
int i, h, h1, c, n, linesize, ret;
uint8_t *ptr, *ptr1, *ptr2;
......@@ -41,13 +39,9 @@ static int pnm_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
return ret;
}
*p = *pict;
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
s->bytestream_start =
s->bytestream = pkt->data;
s->bytestream_end = pkt->data + pkt->size;
bytestream_start =
bytestream = pkt->data;
bytestream_end = pkt->data + pkt->size;
h = avctx->height;
h1 = h;
......@@ -85,22 +79,22 @@ static int pnm_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
default:
return -1;
}
snprintf(s->bytestream, s->bytestream_end - s->bytestream,
snprintf(bytestream, bytestream_end - bytestream,
"P%c\n%d %d\n", c, avctx->width, h1);
s->bytestream += strlen(s->bytestream);
bytestream += strlen(bytestream);
if (avctx->pix_fmt != AV_PIX_FMT_MONOWHITE) {
int maxdepth = (1 << (av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].depth_minus1 + 1)) - 1;
snprintf(s->bytestream, s->bytestream_end - s->bytestream,
snprintf(bytestream, bytestream_end - bytestream,
"%d\n", maxdepth);
s->bytestream += strlen(s->bytestream);
bytestream += strlen(bytestream);
}
ptr = p->data[0];
linesize = p->linesize[0];
for (i = 0; i < h; i++) {
memcpy(s->bytestream, ptr, n);
s->bytestream += n;
ptr += linesize;
memcpy(bytestream, ptr, n);
bytestream += n;
ptr += linesize;
}
if (avctx->pix_fmt == AV_PIX_FMT_YUV420P || avctx->pix_fmt == AV_PIX_FMT_YUV420P16BE) {
......@@ -109,21 +103,38 @@ static int pnm_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
ptr1 = p->data[1];
ptr2 = p->data[2];
for (i = 0; i < h; i++) {
memcpy(s->bytestream, ptr1, n);
s->bytestream += n;
memcpy(s->bytestream, ptr2, n);
s->bytestream += n;
memcpy(bytestream, ptr1, n);
bytestream += n;
memcpy(bytestream, ptr2, n);
bytestream += n;
ptr1 += p->linesize[1];
ptr2 += p->linesize[2];
}
}
pkt->size = s->bytestream - s->bytestream_start;
pkt->size = bytestream - bytestream_start;
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
static av_cold int pnm_encode_init(AVCodecContext *avctx)
{
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;
return 0;
}
static av_cold int pnm_encode_close(AVCodecContext *avctx)
{
av_frame_free(&avctx->coded_frame);
return 0;
}
#if CONFIG_PGM_ENCODER
AVCodec ff_pgm_encoder = {
......@@ -131,8 +142,8 @@ AVCodec ff_pgm_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PGM,
.priv_data_size = sizeof(PNMContext),
.init = ff_pnm_init,
.init = pnm_encode_init,
.close = pnm_encode_close,
.encode2 = pnm_encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){
AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY16BE, AV_PIX_FMT_NONE
......@@ -146,8 +157,8 @@ AVCodec ff_pgmyuv_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PGMYUV,
.priv_data_size = sizeof(PNMContext),
.init = ff_pnm_init,
.init = pnm_encode_init,
.close = pnm_encode_close,
.encode2 = pnm_encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV420P16BE, AV_PIX_FMT_NONE
......@@ -161,8 +172,8 @@ AVCodec ff_ppm_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PPM,
.priv_data_size = sizeof(PNMContext),
.init = ff_pnm_init,
.init = pnm_encode_init,
.close = pnm_encode_close,
.encode2 = pnm_encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){
AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB48BE, AV_PIX_FMT_NONE
......@@ -176,8 +187,8 @@ AVCodec ff_pbm_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PBM,
.priv_data_size = sizeof(PNMContext),
.init = ff_pnm_init,
.init = pnm_encode_init,
.close = pnm_encode_close,
.encode2 = pnm_encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_MONOWHITE,
AV_PIX_FMT_NONE },
......
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