#include "avcodec.h"
#include "internal.h"
-typedef struct PTXContext {
- AVFrame picture;
-} PTXContext;
-
-static av_cold int ptx_init(AVCodecContext *avctx) {
- PTXContext *s = avctx->priv_data;
-
- 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,
+static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt) {
const uint8_t *buf = avpkt->data;
const uint8_t *buf_end = avpkt->data + avpkt->size;
- PTXContext * const s = avctx->priv_data;
- AVFrame *picture = data;
- AVFrame * const p = &s->picture;
+ AVFrame * const p = data;
unsigned int offset, w, h, y, stride, bytes_per_pixel;
+ int ret;
uint8_t *ptr;
if (buf_end - buf < 14)
bytes_per_pixel = AV_RL16(buf+12) >> 3;
if (bytes_per_pixel != 2) {
- av_log_ask_for_sample(avctx, "Image format is not RGB15.\n");
- return -1;
+ avpriv_request_sample(avctx, "Image format not RGB15");
+ return AVERROR_PATCHWELCOME;
}
avctx->pix_fmt = AV_PIX_FMT_RGB555;
if (buf_end - buf < offset)
return AVERROR_INVALIDDATA;
if (offset != 0x2c)
- av_log_ask_for_sample(avctx, "offset != 0x2c\n");
+ avpriv_request_sample(avctx, "offset != 0x2c");
buf += offset;
- if (p->data[0])
- avctx->release_buffer(avctx, p);
-
- if (av_image_check_size(w, h, 0, avctx))
- return -1;
+ if ((ret = av_image_check_size(w, h, 0, avctx)) < 0)
+ return ret;
if (w != avctx->width || h != avctx->height)
avcodec_set_dimensions(avctx, w, h);
- if (ff_get_buffer(avctx, p) < 0) {
+ if ((ret = ff_get_buffer(avctx, p, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
+ return ret;
}
p->pict_type = AV_PICTURE_TYPE_I;
buf += w*bytes_per_pixel;
}
- *picture = s->picture;
- *data_size = sizeof(AVPicture);
+ *got_frame = 1;
if (y < h) {
av_log(avctx, AV_LOG_WARNING, "incomplete packet\n");
return offset + w*h*bytes_per_pixel;
}
-static av_cold int ptx_end(AVCodecContext *avctx) {
- PTXContext *s = avctx->priv_data;
-
- if(s->picture.data[0])
- avctx->release_buffer(avctx, &s->picture);
-
- return 0;
-}
-
AVCodec ff_ptx_decoder = {
.name = "ptx",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PTX,
- .priv_data_size = sizeof(PTXContext),
- .init = ptx_init,
- .close = ptx_end,
.decode = ptx_decode_frame,
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("V.Flash PTX image"),