hedgewars/avwrapper.c
author unc0rr
Sun, 02 Dec 2012 01:25:11 +0400
changeset 8178 8bd087478b48
parent 8065 609d07b337b5
child 9080 9b42757d7e71
permissions -rw-r--r--
Fix QSettings problems: - Reopen file in ReadOnly mode if it was open in ReadWrite mode and is being read. This is needed for stupid QSettings which opens file in ReadWrite mode just to call readAll() on it. - Implement setSize(0)
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 */
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdarg.h>
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#include "libavformat/avformat.h"
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#include "libavutil/mathematics.h"
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#ifndef AVIO_FLAG_WRITE
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#define AVIO_FLAG_WRITE AVIO_WRONLY
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#endif
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static AVFormatContext* g_pContainer;
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static AVOutputFormat* g_pFormat;
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static AVStream* g_pAStream;
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static AVStream* g_pVStream;
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static AVFrame* g_pAFrame;
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static AVFrame* g_pVFrame;
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static AVCodec* g_pACodec;
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static AVCodec* g_pVCodec;
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static AVCodecContext* g_pAudio;
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static AVCodecContext* g_pVideo;
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static int g_Width, g_Height;
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static uint32_t g_Frequency, g_Channels;
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static int g_VQuality;
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static AVRational g_Framerate;
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static FILE* g_pSoundFile;
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static int16_t* g_pSamples;
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static int g_NumSamples;
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#if LIBAVCODEC_VERSION_MAJOR < 54
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#define OUTBUFFER_SIZE 200000
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static uint8_t g_OutBuffer[OUTBUFFER_SIZE];
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#endif
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// pointer to function from hwengine (uUtils.pas)
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static void (*AddFileLogRaw)(const char* pString);
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static void FatalError(const char* pFmt, ...)
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{
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    char Buffer[1024];
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    va_list VaArgs;
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    va_start(VaArgs, pFmt);
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    vsnprintf(Buffer, 1024, pFmt, VaArgs);
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    va_end(VaArgs);
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    AddFileLogRaw("Error in av-wrapper: ");
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    AddFileLogRaw(Buffer);
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    AddFileLogRaw("\n");
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    exit(1);
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}
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// Function to be called from libav for logging.
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// Note: libav can call LogCallback from different threads
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// (there is mutex in AddFileLogRaw).
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static void LogCallback(void* p, int Level, const char* pFmt, va_list VaArgs)
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{
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    char Buffer[1024];
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    vsnprintf(Buffer, 1024, pFmt, VaArgs);
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    AddFileLogRaw(Buffer);
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}
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static void Log(const char* pFmt, ...)
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{
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    char Buffer[1024];
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    va_list VaArgs;
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    va_start(VaArgs, pFmt);
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    vsnprintf(Buffer, 1024, pFmt, VaArgs);
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    va_end(VaArgs);
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    AddFileLogRaw(Buffer);
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}
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static void AddAudioStream()
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{
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#if LIBAVFORMAT_VERSION_MAJOR >= 53
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    g_pAStream = avformat_new_stream(g_pContainer, g_pACodec);
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#else
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    g_pAStream = av_new_stream(g_pContainer, 1);
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#endif
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    if(!g_pAStream)
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    {
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        Log("Could not allocate audio stream\n");
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        return;
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    }
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    g_pAStream->id = 1;
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    g_pAudio = g_pAStream->codec;
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    avcodec_get_context_defaults3(g_pAudio, g_pACodec);
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    g_pAudio->codec_id = g_pACodec->id;
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    // put parameters
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    g_pAudio->sample_fmt = AV_SAMPLE_FMT_S16;
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    g_pAudio->sample_rate = g_Frequency;
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    g_pAudio->channels = g_Channels;
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    // set quality
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    g_pAudio->bit_rate = 160000;
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    // for codecs that support variable bitrate use it, it should be better
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    g_pAudio->flags |= CODEC_FLAG_QSCALE;
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    g_pAudio->global_quality = 1*FF_QP2LAMBDA;
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    // some formats want stream headers to be separate
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    if (g_pFormat->flags & AVFMT_GLOBALHEADER)
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        g_pAudio->flags |= CODEC_FLAG_GLOBAL_HEADER;
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    // open it
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#if LIBAVCODEC_VERSION_MAJOR >= 53
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    if (avcodec_open2(g_pAudio, g_pACodec, NULL) < 0)
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#else
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    if (avcodec_open(g_pAudio, g_pACodec) < 0)
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#endif
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    {
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        Log("Could not open audio codec %s\n", g_pACodec->long_name);
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        return;
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    }
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#if LIBAVCODEC_VERSION_MAJOR >= 54
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    if (g_pACodec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)
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#else
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    if (g_pAudio->frame_size == 0)
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#endif
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        g_NumSamples = 4096;
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    else
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        g_NumSamples = g_pAudio->frame_size;
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    g_pSamples = (int16_t*)av_malloc(g_NumSamples*g_Channels*sizeof(int16_t));
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    g_pAFrame = avcodec_alloc_frame();
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    if (!g_pAFrame)
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    {
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        Log("Could not allocate frame\n");
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        return;
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    }
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}
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// returns non-zero if there is more sound
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static int WriteAudioFrame()
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{
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    if (!g_pAStream)
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        return 0;
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    AVPacket Packet = { 0 };
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    av_init_packet(&Packet);
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    int NumSamples = fread(g_pSamples, 2*g_Channels, g_NumSamples, g_pSoundFile);
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#if LIBAVCODEC_VERSION_MAJOR >= 53
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    AVFrame* pFrame = NULL;
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    if (NumSamples > 0)
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    {
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        g_pAFrame->nb_samples = NumSamples;
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        avcodec_fill_audio_frame(g_pAFrame, g_Channels, AV_SAMPLE_FMT_S16,
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                                 (uint8_t*)g_pSamples, NumSamples*2*g_Channels, 1);
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        pFrame = g_pAFrame;
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    }
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    // when NumSamples == 0 we still need to call encode_audio2 to flush
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    int got_packet;
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    if (avcodec_encode_audio2(g_pAudio, &Packet, pFrame, &got_packet) != 0)
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        FatalError("avcodec_encode_audio2 failed");
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    if (!got_packet)
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        return 0;
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#else
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    if (NumSamples == 0)
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        return 0;
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    int BufferSize = OUTBUFFER_SIZE;
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    if (g_pAudio->frame_size == 0)
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        BufferSize = NumSamples*g_Channels*2;
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    Packet.size = avcodec_encode_audio(g_pAudio, g_OutBuffer, BufferSize, g_pSamples);
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    if (Packet.size == 0)
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        return 1;
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    if (g_pAudio->coded_frame && g_pAudio->coded_frame->pts != AV_NOPTS_VALUE)
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        Packet.pts = av_rescale_q(g_pAudio->coded_frame->pts, g_pAudio->time_base, g_pAStream->time_base);
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    Packet.flags |= AV_PKT_FLAG_KEY;
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    Packet.data = g_OutBuffer;
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#endif
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    // Write the compressed frame to the media file.
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    Packet.stream_index = g_pAStream->index;
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    if (av_interleaved_write_frame(g_pContainer, &Packet) != 0) 
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        FatalError("Error while writing audio frame");
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    return 1;
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}
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// add a video output stream
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static void AddVideoStream()
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{
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#if LIBAVFORMAT_VERSION_MAJOR >= 53
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    g_pVStream = avformat_new_stream(g_pContainer, g_pVCodec);
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#else
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    g_pVStream = av_new_stream(g_pContainer, 0);
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#endif
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    if (!g_pVStream)
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        FatalError("Could not allocate video stream");
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    g_pVideo = g_pVStream->codec;
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    avcodec_get_context_defaults3(g_pVideo, g_pVCodec);
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    g_pVideo->codec_id = g_pVCodec->id;
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    // put parameters
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    // resolution must be a multiple of two
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    g_pVideo->width  = g_Width  & ~1; // make even (dimensions should be even)
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    g_pVideo->height = g_Height & ~1; // make even
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    /* time base: this is the fundamental unit of time (in seconds) in terms
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       of which frame timestamps are represented. for fixed-fps content,
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       timebase should be 1/framerate and timestamp increments should be
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       identically 1. */
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    g_pVideo->time_base.den = g_Framerate.num;
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    g_pVideo->time_base.num = g_Framerate.den;
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    //g_pVideo->gop_size = 12; /* emit one intra frame every twelve frames at most */
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    g_pVideo->pix_fmt = PIX_FMT_YUV420P;
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   237
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    // set quality
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   239
    if (g_VQuality > 100)
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        g_pVideo->bit_rate = g_VQuality;
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   241
    else
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   242
    {
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   243
        g_pVideo->flags |= CODEC_FLAG_QSCALE;
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        g_pVideo->global_quality = g_VQuality*FF_QP2LAMBDA;
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   245
    }
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   246
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    // some formats want stream headers to be separate
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   248
    if (g_pFormat->flags & AVFMT_GLOBALHEADER)
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   249
        g_pVideo->flags |= CODEC_FLAG_GLOBAL_HEADER;
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   250
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   251
#if LIBAVCODEC_VERSION_MAJOR < 53
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    // for some versions of ffmpeg x264 options must be set explicitly
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    if (strcmp(g_pVCodec->name, "libx264") == 0)
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    {
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        g_pVideo->coder_type = FF_CODER_TYPE_AC;
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        g_pVideo->flags |= CODEC_FLAG_LOOP_FILTER;
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        g_pVideo->crf = 23;
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        g_pVideo->thread_count = 3;
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   259
        g_pVideo->me_cmp = FF_CMP_CHROMA;
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        g_pVideo->partitions = X264_PART_I8X8 | X264_PART_I4X4 | X264_PART_P8X8 | X264_PART_B8X8;
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   261
        g_pVideo->me_method = ME_HEX;
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        g_pVideo->me_subpel_quality = 7;
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   263
        g_pVideo->me_range = 16;
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   264
        g_pVideo->gop_size = 250;
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   265
        g_pVideo->keyint_min = 25;
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   266
        g_pVideo->scenechange_threshold = 40;
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   267
        g_pVideo->i_quant_factor = 0.71;
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   268
        g_pVideo->b_frame_strategy = 1;
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        g_pVideo->qcompress = 0.6;
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        g_pVideo->qmin = 10;
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   271
        g_pVideo->qmax = 51;
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        g_pVideo->max_qdiff = 4;
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        g_pVideo->max_b_frames = 3;
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        g_pVideo->refs = 3;
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        g_pVideo->directpred = 1;
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        g_pVideo->trellis = 1;
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   277
        g_pVideo->flags2 = CODEC_FLAG2_BPYRAMID | CODEC_FLAG2_MIXED_REFS | CODEC_FLAG2_WPRED | CODEC_FLAG2_8X8DCT | CODEC_FLAG2_FASTPSKIP;
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        g_pVideo->weighted_p_pred = 2;
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   279
    }
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   280
#endif
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   281
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    // open the codec
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   283
#if LIBAVCODEC_VERSION_MAJOR >= 53
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   284
    AVDictionary* pDict = NULL;
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   285
    if (strcmp(g_pVCodec->name, "libx264") == 0)
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diff changeset
   286
        av_dict_set(&pDict, "preset", "medium", 0);
7359
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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parents: 7356
diff changeset
   287
7180
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parents:
diff changeset
   288
    if (avcodec_open2(g_pVideo, g_pVCodec, &pDict) < 0)
7359
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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parents: 7356
diff changeset
   289
#else
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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diff changeset
   290
    if (avcodec_open(g_pVideo, g_pVCodec) < 0)
8bb4da06b065 Fix compilation of hwengine on ffmpeg 0.7.13.
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parents: 7356
diff changeset
   291
#endif
7180
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parents:
diff changeset
   292
        FatalError("Could not open video codec %s", g_pVCodec->long_name);
53ffc8853008 here it is
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parents:
diff changeset
   293
53ffc8853008 here it is
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parents:
diff changeset
   294
    g_pVFrame = avcodec_alloc_frame();
53ffc8853008 here it is
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parents:
diff changeset
   295
    if (!g_pVFrame)
53ffc8853008 here it is
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parents:
diff changeset
   296
        FatalError("Could not allocate frame");
53ffc8853008 here it is
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parents:
diff changeset
   297
53ffc8853008 here it is
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parents:
diff changeset
   298
    g_pVFrame->linesize[0] = g_Width;
53ffc8853008 here it is
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parents:
diff changeset
   299
    g_pVFrame->linesize[1] = g_Width/2;
53ffc8853008 here it is
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parents:
diff changeset
   300
    g_pVFrame->linesize[2] = g_Width/2;
53ffc8853008 here it is
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parents:
diff changeset
   301
    g_pVFrame->linesize[3] = 0;
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parents:
diff changeset
   302
}
53ffc8853008 here it is
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parents:
diff changeset
   303
7280
fd707afbc3a2 pagevideos is now much better that before:
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diff changeset
   304
static int WriteFrame(AVFrame* pFrame)
7180
53ffc8853008 here it is
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parents:
diff changeset
   305
{
53ffc8853008 here it is
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parents:
diff changeset
   306
    double AudioTime, VideoTime;
53ffc8853008 here it is
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parents:
diff changeset
   307
53ffc8853008 here it is
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parents:
diff changeset
   308
    // write interleaved audio frame
53ffc8853008 here it is
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parents:
diff changeset
   309
    if (g_pAStream)
53ffc8853008 here it is
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parents:
diff changeset
   310
    {
53ffc8853008 here it is
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parents:
diff changeset
   311
        VideoTime = (double)g_pVStream->pts.val*g_pVStream->time_base.num/g_pVStream->time_base.den;
53ffc8853008 here it is
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parents:
diff changeset
   312
        do
53ffc8853008 here it is
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parents:
diff changeset
   313
            AudioTime = (double)g_pAStream->pts.val*g_pAStream->time_base.num/g_pAStream->time_base.den;
53ffc8853008 here it is
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parents:
diff changeset
   314
        while (AudioTime < VideoTime && WriteAudioFrame());
53ffc8853008 here it is
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parents:
diff changeset
   315
    }
7198
5debd5fe526e 1. Add IFDEFs for video recording
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parents: 7180
diff changeset
   316
    
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   317
    if (!g_pVStream)
5debd5fe526e 1. Add IFDEFs for video recording
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parents: 7180
diff changeset
   318
        return 0;
7180
53ffc8853008 here it is
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parents:
diff changeset
   319
53ffc8853008 here it is
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parents:
diff changeset
   320
    AVPacket Packet;
53ffc8853008 here it is
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parents:
diff changeset
   321
    av_init_packet(&Packet);
53ffc8853008 here it is
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parents:
diff changeset
   322
    Packet.data = NULL;
53ffc8853008 here it is
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parents:
diff changeset
   323
    Packet.size = 0;
53ffc8853008 here it is
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parents:
diff changeset
   324
53ffc8853008 here it is
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parents:
diff changeset
   325
    g_pVFrame->pts++;
53ffc8853008 here it is
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parents:
diff changeset
   326
    if (g_pFormat->flags & AVFMT_RAWPICTURE)
53ffc8853008 here it is
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parents:
diff changeset
   327
    {
53ffc8853008 here it is
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parents:
diff changeset
   328
        /* raw video case. The API will change slightly in the near
53ffc8853008 here it is
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parents:
diff changeset
   329
           future for that. */
53ffc8853008 here it is
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parents:
diff changeset
   330
        Packet.flags |= AV_PKT_FLAG_KEY;
53ffc8853008 here it is
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parents:
diff changeset
   331
        Packet.stream_index = g_pVStream->index;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   332
        Packet.data = (uint8_t*)pFrame;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   333
        Packet.size = sizeof(AVPicture);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   334
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   335
        if (av_interleaved_write_frame(g_pContainer, &Packet) != 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   336
            FatalError("Error while writing video frame");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   337
        return 0;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   338
    }
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   339
    else
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   340
    {
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   341
#if LIBAVCODEC_VERSION_MAJOR >= 54
53ffc8853008 here it is
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parents:
diff changeset
   342
        int got_packet;
53ffc8853008 here it is
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parents:
diff changeset
   343
        if (avcodec_encode_video2(g_pVideo, &Packet, pFrame, &got_packet) < 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   344
            FatalError("avcodec_encode_video2 failed");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   345
        if (!got_packet)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   346
            return 0;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   347
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   348
        if (Packet.pts != AV_NOPTS_VALUE)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   349
            Packet.pts = av_rescale_q(Packet.pts, g_pVideo->time_base, g_pVStream->time_base);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   350
        if (Packet.dts != AV_NOPTS_VALUE)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   351
            Packet.dts = av_rescale_q(Packet.dts, g_pVideo->time_base, g_pVStream->time_base);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   352
#else 
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   353
        Packet.size = avcodec_encode_video(g_pVideo, g_OutBuffer, OUTBUFFER_SIZE, pFrame);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   354
        if (Packet.size < 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   355
            FatalError("avcodec_encode_video failed");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   356
        if (Packet.size == 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   357
            return 0;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   358
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   359
        if( g_pVideo->coded_frame->pts != AV_NOPTS_VALUE)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   360
            Packet.pts = av_rescale_q(g_pVideo->coded_frame->pts, g_pVideo->time_base, g_pVStream->time_base);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   361
        if( g_pVideo->coded_frame->key_frame )
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   362
            Packet.flags |= AV_PKT_FLAG_KEY;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   363
        Packet.data = g_OutBuffer;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   364
#endif
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   365
        // write the compressed frame in the media file
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   366
        Packet.stream_index = g_pVStream->index;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   367
        if (av_interleaved_write_frame(g_pContainer, &Packet) != 0)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   368
            FatalError("Error while writing video frame");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   369
            
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   370
        return 1;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   371
    }
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   372
}
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   373
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   374
void AVWrapper_WriteFrame(uint8_t* pY, uint8_t* pCb, uint8_t* pCr)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   375
{
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   376
    g_pVFrame->data[0] = pY;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   377
    g_pVFrame->data[1] = pCb;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   378
    g_pVFrame->data[2] = pCr;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   379
    WriteFrame(g_pVFrame);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   380
}
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   381
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   382
void AVWrapper_Init(
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   383
         void (*pAddFileLogRaw)(const char*),
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   384
         const char* pFilename,
7280
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   385
         const char* pDesc,
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   386
         const char* pSoundFile,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   387
         const char* pFormatName,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   388
         const char* pVCodecName,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   389
         const char* pACodecName,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   390
         int Width, int Height,
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   391
         int FramerateNum, int FramerateDen,
7376
48b79b3ca592 rework saving of camera positions so there is no need to know framerate during prerecording.
Stepan777 <stepik-777@mail.ru>
parents: 7359
diff changeset
   392
         int VQuality)
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   393
{    
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   394
    AddFileLogRaw = pAddFileLogRaw;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   395
    av_log_set_callback( &LogCallback );
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   396
7282
c65992e2d794 correctly fix odd dimensions (it was incorrectly fixed in previous commit)
Stepan777 <stepik-777@mail.ru>
parents: 7280
diff changeset
   397
    g_Width  = Width;
c65992e2d794 correctly fix odd dimensions (it was incorrectly fixed in previous commit)
Stepan777 <stepik-777@mail.ru>
parents: 7280
diff changeset
   398
    g_Height = Height;
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   399
    g_Framerate.num = FramerateNum;
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   400
    g_Framerate.den = FramerateDen;
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   401
    g_VQuality = VQuality;
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   402
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   403
    // initialize libav and register all codecs and formats
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   404
    av_register_all();
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   405
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   406
    // find format
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   407
    g_pFormat = av_guess_format(pFormatName, NULL, NULL);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   408
    if (!g_pFormat)
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   409
        FatalError("Format \"%s\" was not found", pFormatName);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   410
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   411
    // allocate the output media context
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   412
    g_pContainer = avformat_alloc_context();
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   413
    if (!g_pContainer)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   414
        FatalError("Could not allocate output context");
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   415
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   416
    g_pContainer->oformat = g_pFormat;
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   417
7280
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   418
    // store description of file
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   419
    av_dict_set(&g_pContainer->metadata, "comment", pDesc, 0);
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   420
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   421
    // append extesnion to filename
7235
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   422
    char ext[16];
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   423
    strncpy(ext, g_pFormat->extensions, 16);
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   424
    ext[15] = 0;
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   425
    ext[strcspn(ext,",")] = 0;
baa69bd025d9 1. Implement new page in frontend with options for video recording.
Stepan777 <stepik-777@mail.ru>
parents: 7198
diff changeset
   426
    snprintf(g_pContainer->filename, sizeof(g_pContainer->filename), "%s.%s", pFilename, ext);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   427
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   428
    // find codecs
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   429
    g_pVCodec = avcodec_find_encoder_by_name(pVCodecName);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   430
    g_pACodec = avcodec_find_encoder_by_name(pACodecName);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   431
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   432
    // add audio and video stream to container
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   433
    g_pVStream = NULL;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   434
    g_pAStream = NULL;
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   435
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   436
    if (g_pVCodec)
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   437
        AddVideoStream();
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   438
    else
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   439
        Log("Video codec \"%s\" was not found; video will be ignored.\n", pVCodecName);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   440
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   441
    if (g_pACodec)
7280
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   442
    {
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   443
        g_pSoundFile = fopen(pSoundFile, "rb");
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   444
        if (g_pSoundFile)
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   445
        {
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   446
            fread(&g_Frequency, 4, 1, g_pSoundFile);
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   447
            fread(&g_Channels, 4, 1, g_pSoundFile);
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   448
            AddAudioStream();
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   449
        }
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   450
        else
7306
3cff5c769509 Here they come - thumbnails.
Stepan777 <stepik-777@mail.ru>
parents: 7282
diff changeset
   451
            Log("Could not open %s\n", pSoundFile);
7280
fd707afbc3a2 pagevideos is now much better that before:
Stepan777 <stepik-777@mail.ru>
parents: 7235
diff changeset
   452
    }
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   453
    else
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   454
        Log("Audio codec \"%s\" was not found; audio will be ignored.\n", pACodecName);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   455
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   456
    if (!g_pAStream && !g_pVStream)
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   457
        FatalError("No video, no audio, aborting...");
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   458
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   459
    // write format info to log
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   460
    av_dump_format(g_pContainer, 0, g_pContainer->filename, 1);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   461
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   462
    // open the output file, if needed
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   463
    if (!(g_pFormat->flags & AVFMT_NOFILE))
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   464
    {
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   465
        if (avio_open(&g_pContainer->pb, g_pContainer->filename, AVIO_FLAG_WRITE) < 0)
7306
3cff5c769509 Here they come - thumbnails.
Stepan777 <stepik-777@mail.ru>
parents: 7282
diff changeset
   466
            FatalError("Could not open output file (%s)", g_pContainer->filename);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   467
    }
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   468
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   469
    // write the stream header, if any
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   470
    avformat_write_header(g_pContainer, NULL);
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   471
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   472
    g_pVFrame->pts = -1;
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   473
}
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   474
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   475
void AVWrapper_Close()
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   476
{
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   477
    // output buffered frames
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   478
    if (g_pVCodec->capabilities & CODEC_CAP_DELAY)
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   479
        while( WriteFrame(NULL) );
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   480
    // output any remaining audio
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   481
    while( WriteAudioFrame() );
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   482
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   483
    // write the trailer, if any.
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   484
    av_write_trailer(g_pContainer);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   485
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   486
    // close the output file
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   487
    if (!(g_pFormat->flags & AVFMT_NOFILE))
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   488
        avio_close(g_pContainer->pb);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   489
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   490
    // free everything
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   491
    if (g_pVStream)
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   492
    {
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   493
        avcodec_close(g_pVideo);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   494
        av_free(g_pVideo);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   495
        av_free(g_pVStream);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   496
        av_free(g_pVFrame);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   497
    }
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   498
    if (g_pAStream)
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   499
    {
7198
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   500
        avcodec_close(g_pAudio);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   501
        av_free(g_pAudio);
5debd5fe526e 1. Add IFDEFs for video recording
Stepan777 <stepik-777@mail.ru>
parents: 7180
diff changeset
   502
        av_free(g_pAStream);
7180
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   503
        av_free(g_pAFrame);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   504
        av_free(g_pSamples);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   505
        fclose(g_pSoundFile);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   506
    }
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   507
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   508
    av_free(g_pContainer);
53ffc8853008 here it is
Stepan777 <stepik-777@mail.ru>
parents:
diff changeset
   509
}