*/
#include "avcodec.h"
+#include "internal.h"
#include "mss12.h"
typedef struct MSS1Context {
MSS12Context ctx;
- AVFrame pic;
+ AVFrame *pic;
SliceContext sc;
} MSS1Context;
return !!ncol;
}
-static int mss1_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
+static int mss1_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
init_get_bits(&gb, buf, buf_size * 8);
arith_init(&acoder, &gb);
- ctx->pic.reference = 3;
- ctx->pic.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_READABLE |
- FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
- if ((ret = avctx->reget_buffer(avctx, &ctx->pic)) < 0) {
+ if ((ret = ff_reget_buffer(avctx, ctx->pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return ret;
}
- c->pal_pic = ctx->pic.data[0] + ctx->pic.linesize[0] * (avctx->height - 1);
- c->pal_stride = -ctx->pic.linesize[0];
+ c->pal_pic = ctx->pic->data[0] + ctx->pic->linesize[0] * (avctx->height - 1);
+ c->pal_stride = -ctx->pic->linesize[0];
c->keyframe = !arith_get_bit(&acoder);
if (c->keyframe) {
c->corrupted = 0;
ff_mss12_slicecontext_reset(&ctx->sc);
pal_changed = decode_pal(c, &acoder);
- ctx->pic.key_frame = 1;
- ctx->pic.pict_type = AV_PICTURE_TYPE_I;
+ ctx->pic->key_frame = 1;
+ ctx->pic->pict_type = AV_PICTURE_TYPE_I;
} else {
if (c->corrupted)
return AVERROR_INVALIDDATA;
- ctx->pic.key_frame = 0;
- ctx->pic.pict_type = AV_PICTURE_TYPE_P;
+ ctx->pic->key_frame = 0;
+ ctx->pic->pict_type = AV_PICTURE_TYPE_P;
}
c->corrupted = ff_mss12_decode_rect(&ctx->sc, &acoder, 0, 0,
avctx->width, avctx->height);
if (c->corrupted)
return AVERROR_INVALIDDATA;
- memcpy(ctx->pic.data[1], c->pal, AVPALETTE_SIZE);
- ctx->pic.palette_has_changed = pal_changed;
+ memcpy(ctx->pic->data[1], c->pal, AVPALETTE_SIZE);
+ ctx->pic->palette_has_changed = pal_changed;
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = ctx->pic;
+ if ((ret = av_frame_ref(data, ctx->pic)) < 0)
+ return ret;
+
+ *got_frame = 1;
/* always report that the buffer was completely consumed */
return buf_size;
int ret;
c->ctx.avctx = avctx;
- avctx->coded_frame = &c->pic;
+
+ c->pic = av_frame_alloc();
+ if (!c->pic)
+ return AVERROR(ENOMEM);
ret = ff_mss12_decode_init(&c->ctx, 0, &c->sc, NULL);
- avctx->pix_fmt = PIX_FMT_PAL8;
+ avctx->pix_fmt = AV_PIX_FMT_PAL8;
return ret;
}
{
MSS1Context * const ctx = avctx->priv_data;
- if (ctx->pic.data[0])
- avctx->release_buffer(avctx, &ctx->pic);
+ av_frame_free(&ctx->pic);
ff_mss12_decode_end(&ctx->ctx);
return 0;
AVCodec ff_mss1_decoder = {
.name = "mss1",
+ .long_name = NULL_IF_CONFIG_SMALL("MS Screen 1"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MSS1,
.priv_data_size = sizeof(MSS1Context),
.init = mss1_decode_init,
.close = mss1_decode_end,
.decode = mss1_decode_frame,
- .capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("MS Screen 1"),
+ .capabilities = AV_CODEC_CAP_DR1,
};