* Copyright (c) 2005 BBC, Andrew Kennedy <dirac at rd dot bbc dot co dot uk>
* Copyright (c) 2006-2008 BBC, Anuradha Suraparaju <asuraparaju at gmail dot 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
*/
/**
-* @file libavcodec/libdiracdec.c
+* @file
* Dirac decoder support via libdirac library; more details about the Dirac
* project can be found at http://dirac.sourceforge.net/.
* The libdirac_decoder library implements Dirac specification version 2.2
* (http://dirac.sourceforge.net/specification.html).
*/
+#include "libavutil/imgutils.h"
#include "libdirac.h"
#undef NDEBUG
#include <libdirac_decoder/dirac_parser.h>
/** contains a single frame returned from Dirac */
-typedef struct FfmpegDiracDecoderParams {
+typedef struct DiracDecoderParams {
/** decoder handle */
dirac_decoder_t* p_decoder;
/** buffer to hold decoded frame */
unsigned char* p_out_frame_buf;
-} FfmpegDiracDecoderParams;
+} DiracDecoderParams;
/**
-* returns FFmpeg chroma format
+* returns Libav chroma format
*/
-static enum PixelFormat GetFfmpegChromaFormat(dirac_chroma_t dirac_pix_fmt)
+static enum PixelFormat get_chroma_format(dirac_chroma_t dirac_pix_fmt)
{
- int num_formats = sizeof(ffmpeg_dirac_pixel_format_map) /
- sizeof(ffmpeg_dirac_pixel_format_map[0]);
+ int num_formats = sizeof(dirac_pixel_format_map) /
+ sizeof(dirac_pixel_format_map[0]);
int idx;
for (idx = 0; idx < num_formats; ++idx)
- if (ffmpeg_dirac_pixel_format_map[idx].dirac_pix_fmt == dirac_pix_fmt)
- return ffmpeg_dirac_pixel_format_map[idx].ff_pix_fmt;
+ if (dirac_pixel_format_map[idx].dirac_pix_fmt == dirac_pix_fmt)
+ return dirac_pixel_format_map[idx].ff_pix_fmt;
return PIX_FMT_NONE;
}
static av_cold int libdirac_decode_init(AVCodecContext *avccontext)
{
- FfmpegDiracDecoderParams *p_dirac_params = avccontext->priv_data;
+ DiracDecoderParams *p_dirac_params = avccontext->priv_data;
p_dirac_params->p_decoder = dirac_decoder_init(avccontext->debug);
if (!p_dirac_params->p_decoder)
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
- FfmpegDiracDecoderParams *p_dirac_params = avccontext->priv_data;
+ DiracDecoderParams *p_dirac_params = avccontext->priv_data;
AVPicture *picture = data;
AVPicture pic;
int pict_size;
case STATE_SEQUENCE:
{
- /* tell FFmpeg about sequence details */
+ /* tell Libav about sequence details */
dirac_sourceparams_t *src_params = &p_dirac_params->p_decoder->src_params;
- if (avcodec_check_dimensions(avccontext, src_params->width,
- src_params->height) < 0) {
+ if (av_image_check_size(src_params->width, src_params->height,
+ 0, avccontext) < 0) {
av_log(avccontext, AV_LOG_ERROR, "Invalid dimensions (%dx%d)\n",
src_params->width, src_params->height);
avccontext->height = avccontext->width = 0;
avccontext->height = src_params->height;
avccontext->width = src_params->width;
- avccontext->pix_fmt = GetFfmpegChromaFormat(src_params->chroma);
+ avccontext->pix_fmt = get_chroma_format(src_params->chroma);
if (avccontext->pix_fmt == PIX_FMT_NONE) {
av_log(avccontext, AV_LOG_ERROR,
"Dirac chroma format %d not supported currently\n",
static av_cold int libdirac_decode_close(AVCodecContext *avccontext)
{
- FfmpegDiracDecoderParams *p_dirac_params = avccontext->priv_data;
+ DiracDecoderParams *p_dirac_params = avccontext->priv_data;
dirac_decoder_close(p_dirac_params->p_decoder);
av_freep(&p_dirac_params->p_out_frame_buf);
-AVCodec libdirac_decoder = {
- "libdirac",
- CODEC_TYPE_VIDEO,
- CODEC_ID_DIRAC,
- sizeof(FfmpegDiracDecoderParams),
- libdirac_decode_init,
- NULL,
- libdirac_decode_close,
- libdirac_decode_frame,
- CODEC_CAP_DELAY,
- .flush = libdirac_flush,
- .long_name = NULL_IF_CONFIG_SMALL("libdirac Dirac 2.2"),
+AVCodec ff_libdirac_decoder = {
+ .name = "libdirac",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_DIRAC,
+ .priv_data_size = sizeof(DiracDecoderParams),
+ .init = libdirac_decode_init,
+ .close = libdirac_decode_close,
+ .decode = libdirac_decode_frame,
+ .capabilities = CODEC_CAP_DELAY,
+ .flush = libdirac_flush,
+ .long_name = NULL_IF_CONFIG_SMALL("libdirac Dirac 2.2"),
};
projects / ffmpeg / blobdiff