*/
/**
- * 8088flex TMV video decoder
* @file
+ * 8088flex TMV video decoder
* @author Daniel Verkamp
- * @sa http://www.oldskool.org/pc/8088_Corruption
+ * @see http://www.oldskool.org/pc/8088_Corruption
*/
+#include <string.h>
+
#include "avcodec.h"
+#include "internal.h"
+#include "libavutil/internal.h"
#include "cga_data.h"
} TMVContext;
static int tmv_decode_frame(AVCodecContext *avctx, void *data,
- int *data_size, AVPacket *avpkt)
+ int *got_frame, AVPacket *avpkt)
{
TMVContext *tmv = avctx->priv_data;
const uint8_t *src = avpkt->data;
unsigned char_cols = avctx->width >> 3;
unsigned char_rows = avctx->height >> 3;
unsigned x, y, fg, bg, c;
+ int ret;
if (tmv->pic.data[0])
avctx->release_buffer(avctx, &tmv->pic);
- if (avctx->get_buffer(avctx, &tmv->pic) < 0) {
+ if ((ret = ff_get_buffer(avctx, &tmv->pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
+ return ret;
}
if (avpkt->size < 2*char_rows*char_cols) {
av_log(avctx, AV_LOG_ERROR,
"Input buffer too small, truncated sample?\n");
- *data_size = 0;
- return -1;
+ *got_frame = 0;
+ return AVERROR_INVALIDDATA;
}
- tmv->pic.pict_type = FF_I_TYPE;
+ tmv->pic.pict_type = AV_PICTURE_TYPE_I;
tmv->pic.key_frame = 1;
dst = tmv->pic.data[0];
dst += tmv->pic.linesize[0] * 8;
}
- *data_size = sizeof(AVFrame);
+ *got_frame = 1;
*(AVFrame *)data = tmv->pic;
return avpkt->size;
}
+static av_cold int tmv_decode_init(AVCodecContext *avctx)
+{
+ avctx->pix_fmt = AV_PIX_FMT_PAL8;
+ return 0;
+}
+
static av_cold int tmv_decode_close(AVCodecContext *avctx)
{
TMVContext *tmv = avctx->priv_data;
AVCodec ff_tmv_decoder = {
.name = "tmv",
.type = AVMEDIA_TYPE_VIDEO,
- .id = CODEC_ID_TMV,
+ .id = AV_CODEC_ID_TMV,
.priv_data_size = sizeof(TMVContext),
+ .init = tmv_decode_init,
.close = tmv_decode_close,
.decode = tmv_decode_frame,
.capabilities = CODEC_CAP_DR1,