#include "avcodec.h"
#include "get_bits.h"
#include "bytestream.h"
+#include "internal.h"
#include "tscc2data.h"
typedef struct TSCC2Context {
AVCodecContext *avctx;
- AVFrame pic;
+ AVFrame *pic;
int mb_width, mb_height;
uint8_t *slice_quants;
int quant[2];
if (q == 0 || q == 3) // skip block
continue;
for (i = 0; i < 3; i++) {
- off = mb_x * 16 + mb_y * 8 * c->pic.linesize[i];
+ off = mb_x * 16 + mb_y * 8 * c->pic->linesize[i];
ret = tscc2_decode_mb(c, c->q[q - 1], c->quant[q - 1] - 2,
- c->pic.data[i] + off, c->pic.linesize[i], i);
+ c->pic->data[i] + off, c->pic->linesize[i], i);
if (ret)
return ret;
}
}
static int tscc2_decode_frame(AVCodecContext *avctx, void *data,
- int *data_size, AVPacket *avpkt)
+ int *got_frame, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
return AVERROR_INVALIDDATA;
}
- c->pic.reference = 3;
- c->pic.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE |
- FF_BUFFER_HINTS_REUSABLE;
- if ((ret = avctx->reget_buffer(avctx, &c->pic)) < 0) {
+ if ((ret = ff_reget_buffer(avctx, c->pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret;
}
if (frame_type == 0) {
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = c->pic;
+ *got_frame = 1;
+ if ((ret = av_frame_ref(data, c->pic)) < 0)
+ return ret;
return buf_size;
}
bytestream2_skip(&gb, size);
}
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = c->pic;
+ *got_frame = 1;
+ if ((ret = av_frame_ref(data, c->pic)) < 0)
+ return ret;
/* always report that the buffer was completely consumed */
return buf_size;
}
+static av_cold int tscc2_decode_end(AVCodecContext *avctx)
+{
+ TSCC2Context * const c = avctx->priv_data;
+
+ av_frame_free(&c->pic);
+ av_freep(&c->slice_quants);
+ free_vlcs(c);
+
+ return 0;
+}
+
static av_cold int tscc2_decode_init(AVCodecContext *avctx)
{
TSCC2Context * const c = avctx->priv_data;
return AVERROR(ENOMEM);
}
- avctx->coded_frame = &c->pic;
-
- return 0;
-}
-
-static av_cold int tscc2_decode_end(AVCodecContext *avctx)
-{
- TSCC2Context * const c = avctx->priv_data;
-
- if (c->pic.data[0])
- avctx->release_buffer(avctx, &c->pic);
- av_freep(&c->slice_quants);
- free_vlcs(c);
+ c->pic = av_frame_alloc();
+ if (!c->pic) {
+ tscc2_decode_end(avctx);
+ return AVERROR(ENOMEM);
+ }
return 0;
}