#include <string.h>
#include "avcodec.h"
-#include "dsputil.h"
+#include "internal.h"
#include "msrledec.h"
typedef struct MsrleContext {
AVCodecContext *avctx;
- AVFrame frame;
+ AVFrame *frame;
GetByteContext gb;
const unsigned char *buf;
switch (avctx->bits_per_coded_sample) {
case 4:
case 8:
- avctx->pix_fmt = PIX_FMT_PAL8;
+ avctx->pix_fmt = AV_PIX_FMT_PAL8;
break;
case 24:
- avctx->pix_fmt = PIX_FMT_BGR24;
+ avctx->pix_fmt = AV_PIX_FMT_BGR24;
break;
default:
av_log(avctx, AV_LOG_ERROR, "unsupported bits per sample\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
- s->frame.data[0] = NULL;
+ s->frame = av_frame_alloc();
+ if (!s->frame)
+ return AVERROR(ENOMEM);
return 0;
}
static int msrle_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
+ void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MsrleContext *s = avctx->priv_data;
int istride = FFALIGN(avctx->width*avctx->bits_per_coded_sample, 32) / 8;
+ int ret;
s->buf = buf;
s->size = buf_size;
- s->frame.reference = 1;
- s->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
- if (avctx->reget_buffer(avctx, &s->frame)) {
+ if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return -1;
+ return ret;
}
if (avctx->bits_per_coded_sample <= 8) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
- s->frame.palette_has_changed = 1;
+ s->frame->palette_has_changed = 1;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
/* make the palette available */
- memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
+ memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
}
/* FIXME how to correctly detect RLE ??? */
if (avctx->height * istride == avpkt->size) { /* assume uncompressed */
int linesize = avctx->width * avctx->bits_per_coded_sample / 8;
- uint8_t *ptr = s->frame.data[0];
+ uint8_t *ptr = s->frame->data[0];
uint8_t *buf = avpkt->data + (avctx->height-1)*istride;
int i, j;
memcpy(ptr, buf, linesize);
}
buf -= istride;
- ptr += s->frame.linesize[0];
+ ptr += s->frame->linesize[0];
}
} else {
bytestream2_init(&s->gb, buf, buf_size);
- ff_msrle_decode(avctx, (AVPicture*)&s->frame, avctx->bits_per_coded_sample, &s->gb);
+ ff_msrle_decode(avctx, (AVPicture*)s->frame, avctx->bits_per_coded_sample, &s->gb);
}
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = s->frame;
+ if ((ret = av_frame_ref(data, s->frame)) < 0)
+ return ret;
+
+ *got_frame = 1;
/* report that the buffer was completely consumed */
return buf_size;
MsrleContext *s = avctx->priv_data;
/* release the last frame */
- if (s->frame.data[0])
- avctx->release_buffer(avctx, &s->frame);
+ av_frame_free(&s->frame);
return 0;
}
AVCodec ff_msrle_decoder = {
.name = "msrle",
+ .long_name = NULL_IF_CONFIG_SMALL("Microsoft RLE"),
.type = AVMEDIA_TYPE_VIDEO,
- .id = CODEC_ID_MSRLE,
+ .id = AV_CODEC_ID_MSRLE,
.priv_data_size = sizeof(MsrleContext),
.init = msrle_decode_init,
.close = msrle_decode_end,
.decode = msrle_decode_frame,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("Microsoft RLE"),
};