* Copyright (c) 2010 Peter Ross <pross@xvid.org>
* Copyright (c) 2010 Sebastian Vater <cdgs.basty@googlemail.com>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* IFF PBM/ILBM bitmap decoder
*/
+#include "libavutil/imgutils.h"
#include "bytestream.h"
#include "avcodec.h"
#include "get_bits.h"
-#include "iff.h"
+#include "internal.h"
typedef struct {
AVFrame frame;
/**
* Convert CMAP buffer (stored in extradata) to lavc palette format
*/
-int ff_cmap_read_palette(AVCodecContext *avctx, uint32_t *pal)
+static int cmap_read_palette(AVCodecContext *avctx, uint32_t *pal)
{
int count, i;
if (avctx->bits_per_coded_sample <= 8) {
avctx->pix_fmt = (avctx->bits_per_coded_sample < 8 ||
- avctx->extradata_size) ? PIX_FMT_PAL8
- : PIX_FMT_GRAY8;
+ avctx->extradata_size) ? AV_PIX_FMT_PAL8
+ : AV_PIX_FMT_GRAY8;
} else if (avctx->bits_per_coded_sample <= 32) {
- avctx->pix_fmt = PIX_FMT_BGR32;
+ avctx->pix_fmt = AV_PIX_FMT_BGR32;
} else {
return AVERROR_INVALIDDATA;
}
- if ((err = avcodec_check_dimensions(avctx, avctx->width, avctx->height)))
+ if ((err = av_image_check_size(avctx->width, avctx->height, 0, avctx)))
return err;
s->planesize = FFALIGN(avctx->width, 16) >> 3; // Align plane size in bits to word-boundary
s->planebuf = av_malloc(s->planesize + FF_INPUT_BUFFER_PADDING_SIZE);
if (!s->planebuf)
return AVERROR(ENOMEM);
- s->frame.reference = 1;
+ avcodec_get_frame_defaults(&s->frame);
return 0;
}
}
static int decode_frame_ilbm(AVCodecContext *avctx,
- void *data, int *data_size,
+ void *data, int *got_frame,
AVPacket *avpkt)
{
IffContext *s = avctx->priv_data;
const uint8_t *buf_end = buf+buf_size;
int y, plane, res;
- if (s->init) {
- if ((res = avctx->reget_buffer(avctx, &s->frame)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return res;
- }
- } else if ((res = avctx->get_buffer(avctx, &s->frame)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ if ((res = ff_reget_buffer(avctx, &s->frame)) < 0)
return res;
- } else if (avctx->bits_per_coded_sample <= 8 && avctx->pix_fmt != PIX_FMT_GRAY8) {
- if ((res = ff_cmap_read_palette(avctx, (uint32_t*)s->frame.data[1])) < 0)
+
+ if (!s->init && avctx->bits_per_coded_sample <= 8 &&
+ avctx->pix_fmt != AV_PIX_FMT_GRAY8) {
+ if ((res = cmap_read_palette(avctx, (uint32_t*)s->frame.data[1])) < 0)
return res;
}
s->init = 1;
if (avctx->codec_tag == MKTAG('I','L','B','M')) { // interleaved
- if (avctx->pix_fmt == PIX_FMT_PAL8 || avctx->pix_fmt == PIX_FMT_GRAY8) {
+ if (avctx->pix_fmt == AV_PIX_FMT_PAL8 || avctx->pix_fmt == AV_PIX_FMT_GRAY8) {
for(y = 0; y < avctx->height; y++ ) {
uint8_t *row = &s->frame.data[0][ y*s->frame.linesize[0] ];
memset(row, 0, avctx->width);
buf += s->planesize;
}
}
- } else { // PIX_FMT_BGR32
+ } else { // AV_PIX_FMT_BGR32
for(y = 0; y < avctx->height; y++ ) {
uint8_t *row = &s->frame.data[0][y*s->frame.linesize[0]];
memset(row, 0, avctx->width << 2);
}
}
}
- } else if (avctx->pix_fmt == PIX_FMT_PAL8 || avctx->pix_fmt == PIX_FMT_GRAY8) { // IFF-PBM
+ } else if (avctx->pix_fmt == AV_PIX_FMT_PAL8 || avctx->pix_fmt == AV_PIX_FMT_GRAY8) { // IFF-PBM
for(y = 0; y < avctx->height; y++ ) {
uint8_t *row = &s->frame.data[0][y * s->frame.linesize[0]];
memcpy(row, buf, FFMIN(avctx->width, buf_end - buf));
}
}
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = s->frame;
+ if ((res = av_frame_ref(data, &s->frame)) < 0)
+ return res;
+
+ *got_frame = 1;
+
return buf_size;
}
static int decode_frame_byterun1(AVCodecContext *avctx,
- void *data, int *data_size,
+ void *data, int *got_frame,
AVPacket *avpkt)
{
IffContext *s = avctx->priv_data;
const uint8_t *buf_end = buf+buf_size;
int y, plane, res;
- if (s->init) {
- if ((res = avctx->reget_buffer(avctx, &s->frame)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return res;
- }
- } else if ((res = avctx->get_buffer(avctx, &s->frame)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ if ((res = ff_reget_buffer(avctx, &s->frame)) < 0)
return res;
- } else if (avctx->bits_per_coded_sample <= 8 && avctx->pix_fmt != PIX_FMT_GRAY8) {
- if ((res = ff_cmap_read_palette(avctx, (uint32_t*)s->frame.data[1])) < 0)
+
+ if (!s->init && avctx->bits_per_coded_sample <= 8 &&
+ avctx->pix_fmt != AV_PIX_FMT_GRAY8) {
+ if ((res = cmap_read_palette(avctx, (uint32_t*)s->frame.data[1])) < 0)
return res;
}
s->init = 1;
if (avctx->codec_tag == MKTAG('I','L','B','M')) { //interleaved
- if (avctx->pix_fmt == PIX_FMT_PAL8 || avctx->pix_fmt == PIX_FMT_GRAY8) {
+ if (avctx->pix_fmt == AV_PIX_FMT_PAL8 || avctx->pix_fmt == AV_PIX_FMT_GRAY8) {
for(y = 0; y < avctx->height ; y++ ) {
uint8_t *row = &s->frame.data[0][ y*s->frame.linesize[0] ];
memset(row, 0, avctx->width);
decodeplane8(row, s->planebuf, s->planesize, plane);
}
}
- } else { //PIX_FMT_BGR32
+ } else { //AV_PIX_FMT_BGR32
for(y = 0; y < avctx->height ; y++ ) {
uint8_t *row = &s->frame.data[0][y*s->frame.linesize[0]];
memset(row, 0, avctx->width << 2);
}
}
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = s->frame;
+ if ((res = av_frame_ref(data, &s->frame)) < 0)
+ return res;
+
+ *got_frame = 1;
+
return buf_size;
}
static av_cold int decode_end(AVCodecContext *avctx)
{
IffContext *s = avctx->priv_data;
- if (s->frame.data[0])
- avctx->release_buffer(avctx, &s->frame);
+ av_frame_unref(&s->frame);
av_freep(&s->planebuf);
return 0;
}
-AVCodec iff_ilbm_decoder = {
- "iff_ilbm",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_IFF_ILBM,
- sizeof(IffContext),
- decode_init,
- NULL,
- decode_end,
- decode_frame_ilbm,
- CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("IFF ILBM"),
+AVCodec ff_iff_ilbm_decoder = {
+ .name = "iff_ilbm",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_IFF_ILBM,
+ .priv_data_size = sizeof(IffContext),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame_ilbm,
+ .capabilities = CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("IFF ILBM"),
};
-AVCodec iff_byterun1_decoder = {
- "iff_byterun1",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_IFF_BYTERUN1,
- sizeof(IffContext),
- decode_init,
- NULL,
- decode_end,
- decode_frame_byterun1,
- CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("IFF ByteRun1"),
+AVCodec ff_iff_byterun1_decoder = {
+ .name = "iff_byterun1",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_IFF_BYTERUN1,
+ .priv_data_size = sizeof(IffContext),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame_byterun1,
+ .capabilities = CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("IFF ByteRun1"),
};