Hi all!
I have problem with wrong PTS when compiling ffmpeg under MIPS Little
Endian: av_read_frame return wrong PTS, but on the PC all works fine.
============================
Configure options for MIPS:
--disable-network --disable-everything
--enable-demuxer=mpegts,mpeg2vob,mpegvideo,mpegps,asf,avi,flv,matroska,h263,h264,mov
--enable-muxer=mpegts,mpeg2dvd --enable-protocol=file --disable-doc
--disable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver
--disable-avdevice --disable-swresample --disable-swscale
--disable-postproc --disable-avfilter --enable-cross-compile
--prefix=/home/pavel/projects/tvip_s213/chipset/toolchain/current
--sysinclude=/home/pavel/projects/tvip_s213/chipset/toolchain/current/include
--target-os=linux --cross-prefix=mipsel-linux- --arch=mips
====================================================================================
test code:
====================================================================================
#include <stdio.h>
#include <string>
extern "C" {
#include "libavformat/avformat.h"
#include "libavcodec/avcodec.h"
#include <libavutil/dict.h>
}
#define PRINT_LIB_INFO(libname, LIBNAME){ \
unsigned int version = libname##_version(); \
printf("%slib%-9s %2d.%3d.%2d / %2d.%3d.%2d\n",\
" ", #libname, \
LIB##LIBNAME##_VERSION_MAJOR, \
LIB##LIBNAME##_VERSION_MINOR, \
LIB##LIBNAME##_VERSION_MICRO, \
version >> 16, version >> 8 & 0xff, version & 0xff); \
}
int main(int argc, char **argv) {
PRINT_LIB_INFO(avutil, AVUTIL);
PRINT_LIB_INFO(avcodec, AVCODEC);
PRINT_LIB_INFO(avformat, AVFORMAT);
//PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
//PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
//PRINT_LIB_INFO(swscale, SWSCALE, flags, level);
//PRINT_LIB_INFO(postproc, POSTPROC, flags, level);
AVFormatContext* inputFormat=NULL;
if (argc != 2){
printf("Usage: test-ffmpeg2 [file]\n");
return 1;
}
std::string inputFileName=argv[1];
av_register_all();
avformat_network_init();
if (0 != avformat_open_input(&inputFormat, inputFileName.c_str(),
NULL, NULL)){
printf("Can't open input");
return 1;
}
printf("===== INPUT FORMAT =====\n");
av_dump_format(inputFormat, 0, "", 0);
printf("========================\n");
AVPacket pkt;
for (int i=0; i<20;){
int res=av_read_frame(inputFormat, &pkt);
if (res == AVERROR(EAGAIN)){
continue;
} else if (res < 0){
printf("av_read_frame error\n");
break;
} else {
AVStream* input_stream = inputFormat->streams[pkt.stream_index];
if (input_stream->codec->codec_type == AVMEDIA_TYPE_VIDEO){
i++;
if(pkt.pts == AV_NOPTS_VALUE){
printf("frame i:%4d orig pts: no pts\n",i);
} else {
printf("frame i:%4d orig pts: %lld\n",i,pkt.pts);
}
}
av_free_packet(&pkt);
}
}
avformat_close_input(&inputFormat);
return 0;
}
====================================================================================
****** MIPS output:
====================================================================================
libavutil 51. 32. 0 / 51. 32. 0
libavcodec 53. 42. 4 / 53. 42. 4
libavformat 53. 24. 2 / 53. 24. 2
===== INPUT FORMAT =====
Input #0, avi, from '':
Metadata:
encoder : Nandub v1.0rc2
Duration: N/A, bitrate: N/A
Stream #0:0: Video: mpeg4 (XVID / 0x44495658), 624x352, 25 tbn
Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, 2
channels, 123 kb/s
========================
frame i: 1 orig pts: 0
frame i: 2 orig pts: 1
frame i: 3 orig pts: 2
frame i: 4 orig pts: 3
frame i: 5 orig pts: 4
frame i: 6 orig pts: 5
frame i: 7 orig pts: 6
frame i: 8 orig pts: 7
frame i: 9 orig pts: 8
frame i: 10 orig pts: 9
frame i: 11 orig pts: 10
frame i: 12 orig pts: 11
frame i: 13 orig pts: 12
frame i: 14 orig pts: 13
frame i: 15 orig pts: 14
frame i: 16 orig pts: 15
frame i: 17 orig pts: 16
frame i: 18 orig pts: 17
frame i: 19 orig pts: 18
frame i: 20 orig pts: 19
====================================================================================
****** PC output:
====================================================================================
libavutil 51. 32. 0 / 51. 32. 0
libavcodec 53. 42. 4 / 53. 42. 4
libavformat 53. 24. 2 / 53. 24. 2
===== INPUT FORMAT =====
Input #0, avi, from '':
Metadata:
encoder : Nandub v1.0rc2
Duration: N/A, bitrate: N/A
Stream #0:0: Video: mpeg4 (XVID / 0x44495658), 624x352, 25 tbn
Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, 2
channels, 123 kb/s
========================
frame i: 1 orig pts: no pts
frame i: 2 orig pts: no pts
frame i: 3 orig pts: 2
frame i: 4 orig pts: 3
frame i: 5 orig pts: no pts
frame i: 6 orig pts: 5
frame i: 7 orig pts: 6
frame i: 8 orig pts: no pts
frame i: 9 orig pts: 8
frame i: 10 orig pts: 9
frame i: 11 orig pts: no pts
frame i: 12 orig pts: 11
frame i: 13 orig pts: 12
frame i: 14 orig pts: no pts
frame i: 15 orig pts: 14
frame i: 16 orig pts: 15
frame i: 17 orig pts: no pts
frame i: 18 orig pts: 17
frame i: 19 orig pts: 18
frame i: 20 orig pts: no pts
--
With best regards, Pavel A. Sokolov
mobile: +7(921)419-1819
skype: pavel_a_sokolov
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