mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
109 lines
3.2 KiB
109 lines
3.2 KiB
/* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg 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, |
|
* 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 |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#include <stdio.h> |
|
#include <stdint.h> |
|
#include <stdlib.h> |
|
|
|
#include "decode_simple.h" |
|
|
|
#include "libavutil/common.h" |
|
#include "libavutil/dict.h" |
|
#include "libavutil/error.h" |
|
#include "libavutil/video_enc_params.h" |
|
|
|
#include "libavformat/avformat.h" |
|
|
|
#include "libavcodec/avcodec.h" |
|
|
|
static int process_frame(DecodeContext *dc, AVFrame *frame) |
|
{ |
|
AVFrameSideData *sd; |
|
|
|
if (!frame) |
|
return 0; |
|
|
|
fprintf(stdout, "frame %d\n", dc->decoder->frame_number - 1); |
|
|
|
sd = av_frame_get_side_data(frame, AV_FRAME_DATA_VIDEO_ENC_PARAMS); |
|
if (sd) { |
|
AVVideoEncParams *par = (AVVideoEncParams*)sd->data; |
|
|
|
fprintf(stdout, "AVVideoEncParams %d\n", par->type); |
|
fprintf(stdout, "qp %d\n", par->qp); |
|
for (int i = 0; i < FF_ARRAY_ELEMS(par->delta_qp); i++) |
|
for (int j = 0; j < FF_ARRAY_ELEMS(par->delta_qp[i]); j++) { |
|
if (par->delta_qp[i][j]) |
|
fprintf(stdout, "delta_qp[%d][%d] %"PRId32"\n", i, j, par->delta_qp[i][j]); |
|
} |
|
|
|
if (par->nb_blocks) { |
|
fprintf(stdout, "nb_blocks %d\n", par->nb_blocks); |
|
for (int i = 0; i < par->nb_blocks; i++) { |
|
AVVideoBlockParams *b = av_video_enc_params_block(par, i); |
|
|
|
fprintf(stdout, "block %d %d:%d %dx%d %"PRId32"\n", |
|
i, b->src_x, b->src_y, b->w, b->h, b->delta_qp); |
|
} |
|
} |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
int main(int argc, char **argv) |
|
{ |
|
DecodeContext dc; |
|
|
|
unsigned int stream_idx, max_frames; |
|
const char *filename, *thread_type = NULL, *nb_threads = NULL; |
|
int ret = 0; |
|
|
|
if (argc <= 3) { |
|
fprintf(stderr, "Usage: %s <input file> <stream index> <max frame count> [<thread count> <thread type>]\n", argv[0]); |
|
return 0; |
|
} |
|
|
|
filename = argv[1]; |
|
stream_idx = strtol(argv[2], NULL, 0); |
|
max_frames = strtol(argv[3], NULL, 0); |
|
if (argc > 5) { |
|
nb_threads = argv[4]; |
|
thread_type = argv[5]; |
|
} |
|
|
|
ret = ds_open(&dc, filename, stream_idx); |
|
if (ret < 0) |
|
goto finish; |
|
|
|
dc.process_frame = process_frame; |
|
dc.max_frames = max_frames; |
|
|
|
ret = av_dict_set(&dc.decoder_opts, "threads", nb_threads, 0); |
|
ret |= av_dict_set(&dc.decoder_opts, "thread_type", thread_type, 0); |
|
ret |= av_dict_set(&dc.decoder_opts, "export_side_data", "venc_params", 0); |
|
|
|
if (ret < 0) |
|
goto finish; |
|
|
|
ret = ds_run(&dc); |
|
|
|
finish: |
|
ds_free(&dc); |
|
return ret; |
|
}
|
|
|