* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
+#include "libavutil/intreadwrite.h"
+#include "libavcore/imgutils.h"
#include "avcodec.h"
typedef struct PTXContext {
AVFrame picture;
} PTXContext;
-static int ptx_init(AVCodecContext *avctx) {
+static av_cold int ptx_init(AVCodecContext *avctx) {
PTXContext *s = avctx->priv_data;
- avcodec_get_frame_defaults((AVFrame*)&s->picture);
- avctx->coded_frame= (AVFrame*)&s->picture;
- s->picture.data[0] = NULL;
+ avcodec_get_frame_defaults(&s->picture);
+ avctx->coded_frame= &s->picture;
return 0;
}
static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
- uint8_t *buf, int buf_size) {
+ AVPacket *avpkt) {
+ const uint8_t *buf = avpkt->data;
PTXContext * const s = avctx->priv_data;
AVFrame *picture = data;
- AVFrame * const p = (AVFrame *)&s->picture;
+ AVFrame * const p = &s->picture;
unsigned int offset, w, h, y, stride, bytes_per_pixel;
uint8_t *ptr;
if (p->data[0])
avctx->release_buffer(avctx, p);
- if (avcodec_check_dimensions(avctx, w, h))
+ if (av_image_check_size(w, h, 0, avctx))
return -1;
if (w != avctx->width || h != avctx->height)
avcodec_set_dimensions(avctx, w, h);
stride = p->linesize[0];
for (y=0; y<h; y++) {
-#ifdef WORDS_BIGENDIAN
+#if HAVE_BIGENDIAN
unsigned int x;
for (x=0; x<w*bytes_per_pixel; x+=bytes_per_pixel)
- ST16(ptr+x, AV_RL16(buf+x));
+ AV_WN16(ptr+x, AV_RL16(buf+x));
#else
memcpy(ptr, buf, w*bytes_per_pixel);
#endif
buf += w*bytes_per_pixel;
}
- *picture = *(AVFrame *)&s->picture;
+ *picture = s->picture;
*data_size = sizeof(AVPicture);
return offset + w*h*bytes_per_pixel;
}
-static int ptx_end(AVCodecContext *avctx) {
+static av_cold int ptx_end(AVCodecContext *avctx) {
PTXContext *s = avctx->priv_data;
if(s->picture.data[0])
return 0;
}
-AVCodec ptx_decoder = {
+AVCodec ff_ptx_decoder = {
"ptx",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_PTX,
sizeof(PTXContext),
ptx_init,
NULL,
ptx_end,
ptx_decode_frame,
- 0,
- NULL
+ CODEC_CAP_DR1,
+ NULL,
+ .long_name = NULL_IF_CONFIG_SMALL("V.Flash PTX image"),
};