#include "internal.h"
#include "libavutil/internal.h"
-typedef struct AuraDecodeContext {
- AVCodecContext *avctx;
- AVFrame frame;
-} AuraDecodeContext;
-
static av_cold int aura_decode_init(AVCodecContext *avctx)
{
- AuraDecodeContext *s = avctx->priv_data;
-
- s->avctx = avctx;
/* width needs to be divisible by 4 for this codec to work */
if (avctx->width & 0x3)
return AVERROR(EINVAL);
void *data, int *got_frame,
AVPacket *pkt)
{
- AuraDecodeContext *s = avctx->priv_data;
+ AVFrame *frame = data;
uint8_t *Y, *U, *V;
uint8_t val;
int x, y, ret;
/* pixel data starts 48 bytes in, after 3x16-byte tables */
buf += 48;
- if (s->frame.data[0])
- avctx->release_buffer(avctx, &s->frame);
-
- s->frame.buffer_hints = FF_BUFFER_HINTS_VALID;
- s->frame.reference = 0;
- if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) {
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
- Y = s->frame.data[0];
- U = s->frame.data[1];
- V = s->frame.data[2];
+ Y = frame->data[0];
+ U = frame->data[1];
+ V = frame->data[2];
/* iterate through each line in the height */
for (y = 0; y < avctx->height; y++) {
Y[1] = Y[ 0] + delta_table[val & 0xF];
Y += 2; U++; V++;
}
- Y += s->frame.linesize[0] - avctx->width;
- U += s->frame.linesize[1] - (avctx->width >> 1);
- V += s->frame.linesize[2] - (avctx->width >> 1);
+ Y += frame->linesize[0] - avctx->width;
+ U += frame->linesize[1] - (avctx->width >> 1);
+ V += frame->linesize[2] - (avctx->width >> 1);
}
*got_frame = 1;
- *(AVFrame*)data = s->frame;
return pkt->size;
}
-static av_cold int aura_decode_end(AVCodecContext *avctx)
-{
- AuraDecodeContext *s = avctx->priv_data;
-
- if (s->frame.data[0])
- avctx->release_buffer(avctx, &s->frame);
-
- return 0;
-}
-
AVCodec ff_aura2_decoder = {
.name = "aura2",
+ .long_name = NULL_IF_CONFIG_SMALL("Auravision Aura 2"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_AURA2,
- .priv_data_size = sizeof(AuraDecodeContext),
.init = aura_decode_init,
- .close = aura_decode_end,
.decode = aura_decode_frame,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("Auravision Aura 2"),
};