*/
/**
- * @file cyuv.c
+ * @file
* Creative YUV (CYUV) Video Decoder.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
#include "avcodec.h"
#include "dsputil.h"
-#include "mpegvideo.h"
typedef struct CyuvDecodeContext {
AVFrame frame;
} CyuvDecodeContext;
-static int cyuv_decode_init(AVCodecContext *avctx)
+static av_cold int cyuv_decode_init(AVCodecContext *avctx)
{
CyuvDecodeContext *s = avctx->priv_data;
static int cyuv_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- const uint8_t *buf, int buf_size)
+ AVPacket *avpkt)
{
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
CyuvDecodeContext *s=avctx->priv_data;
unsigned char *y_plane;
unsigned char cur_byte;
int pixel_groups;
+ if (avctx->codec_id == CODEC_ID_AURA) {
+ y_table = u_table;
+ u_table = v_table;
+ }
/* sanity check the buffer size: A buffer has 3x16-bytes tables
* followed by (height) lines each with 3 bytes to represent groups
* of 4 pixels. Thus, the total size of the buffer ought to be:
* (3 * 16) + height * (width * 3 / 4) */
if (buf_size != 48 + s->height * (s->width * 3 / 4)) {
- av_log(avctx, AV_LOG_ERROR, "ffmpeg: cyuv: got a buffer with %d bytes when %d were expected\n",
- buf_size,
- 48 + s->height * (s->width * 3 / 4));
- return -1;
+ av_log(avctx, AV_LOG_ERROR, "got a buffer with %d bytes when %d were expected\n",
+ buf_size, 48 + s->height * (s->width * 3 / 4));
+ return -1;
}
/* pixel data starts 48 bytes in, after 3x16-byte tables */
stream_ptr = 48;
- if(s->frame.data[0])
+ if (s->frame.data[0])
avctx->release_buffer(avctx, &s->frame);
s->frame.buffer_hints = FF_BUFFER_HINTS_VALID;
s->frame.reference = 0;
- if(avctx->get_buffer(avctx, &s->frame) < 0) {
+ if (avctx->get_buffer(avctx, &s->frame) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
return buf_size;
}
-static int cyuv_decode_end(AVCodecContext *avctx)
+static av_cold int cyuv_decode_end(AVCodecContext *avctx)
{
-/* CyuvDecodeContext *s = avctx->priv_data;*/
+ CyuvDecodeContext *s = avctx->priv_data;
+
+ if (s->frame.data[0])
+ avctx->release_buffer(avctx, &s->frame);
return 0;
}
+#if CONFIG_AURA_DECODER
+AVCodec aura_decoder = {
+ "aura",
+ AVMEDIA_TYPE_VIDEO,
+ CODEC_ID_AURA,
+ sizeof(CyuvDecodeContext),
+ cyuv_decode_init,
+ NULL,
+ cyuv_decode_end,
+ cyuv_decode_frame,
+ CODEC_CAP_DR1,
+ NULL,
+ .long_name = NULL_IF_CONFIG_SMALL("Auravision AURA"),
+};
+#endif
+
+#if CONFIG_CYUV_DECODER
AVCodec cyuv_decoder = {
"cyuv",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_CYUV,
sizeof(CyuvDecodeContext),
cyuv_decode_init,
cyuv_decode_end,
cyuv_decode_frame,
CODEC_CAP_DR1,
- NULL
+ NULL,
+ .long_name = NULL_IF_CONFIG_SMALL("Creative YUV (CYUV)"),
};
-
+#endif