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-rw-r--r--k9author/k9avidecode.cpp315
1 files changed, 117 insertions, 198 deletions
diff --git a/k9author/k9avidecode.cpp b/k9author/k9avidecode.cpp
index d51ec9a..107f9ae 100644
--- a/k9author/k9avidecode.cpp
+++ b/k9author/k9avidecode.cpp
@@ -12,22 +12,13 @@
#include "config.h"
#include "k9avidecode.h"
-#ifdef OLD_FFMPEG
-#include <ffmpeg/avcodec.h>
-#endif
-#ifdef NEW_FFMPEG
-#include <libavcodec/avcodec.h>
-#include <libavformat/avformat.h>
-#include <libavutil/avutil.h>
-#endif
-
// This is probably the incorrect revision for when CODEC_TYPE_VIDEO was removed
// Please update the comparison below if you know the exact revision that CODEC_TYPE_VIDEO was removed in!
#if LIBAVCODEC_VERSION_INT < (AV_VERSION_INT(52,72,2))
#define AVMEDIA_TYPE_VIDEO CODEC_TYPE_VIDEO
#endif
-#if !defined(NEW_FFMPEG) || LIBAVUTIL_VERSION_INT < AV_VERSION_INT(51,42,0)
+#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(51,42,0)
#define AV_PIX_FMT_RGB24 PIX_FMT_RGB24
#endif
@@ -37,125 +28,17 @@
#include <cstdlib>
#include "ac.h"
-void *CodecHandle=0;
-void *FormatHandle=0;
-void *UtilHandle=0;
-void *SwscaleHandle=0;
-int glibref=0;
-
-#ifdef NEW_FFMPEG
-void av_free_packet_internal(AVPacket *pkt)
-{
- if (pkt) {
-# if LIBAVCODEC_VERSION_INT < (AV_VERSION_INT(56,0,0))
- if (pkt->destruct) pkt->destruct(pkt);
-# endif
- pkt->data = NULL; pkt->size = 0;
- }
-}
-#endif
-#ifdef HAVE_SWSCALE
-#include "libswscale/swscale.h"
static int sws_flags = SWS_BICUBIC;
-#endif
k9AviDecode::k9AviDecode(TQObject *parent, const char *name)
: TQObject(parent, name) {
- if (glibref==0) {
- CodecHandle=dlopen("libavcodec.so",RTLD_LAZY | RTLD_GLOBAL);
- FormatHandle=dlopen("libavformat.so",RTLD_LAZY | RTLD_GLOBAL);
- UtilHandle=dlopen("libavutil.so",RTLD_LAZY | RTLD_GLOBAL);
-# ifdef HAVE_SWSCALE
- SwscaleHandle=dlopen("libswscale.so",RTLD_LAZY);
- if (SwscaleHandle==0)
- SwscaleHandle=dlopen("libswscale.so.2",RTLD_LAZY);
-# endif
- }
- if (!CodecHandle) {
- m_error =i18n("Cannot open then library %1").arg("libavcodec");
- return;
- }
- if (!FormatHandle) {
- m_error =i18n("Cannot open then library %1").arg("libavformat");
- return;
- }
-# if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(51, 33, 0)
- if (!UtilHandle) {
- m_error =i18n("Cannot open then library %1").arg("libavutil");
- return;
- }
-# endif
-# ifdef HAVE_SWSCALE
- if (!SwscaleHandle) {
- m_error =i18n("Cannot open the library %1").arg("libswscale");
- }
-# endif
- m_error="";
- av_register_all = (av_register_all_t)dlsym(FormatHandle,"av_register_all");
-# if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 2, 0)
- avformat_open_input = (avformat_open_input_t)dlsym(FormatHandle,"avformat_open_input");
-# else
- av_open_input_file = (av_open_input_file_t)dlsym(FormatHandle,"av_open_input_file");
-# endif
-# if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 6, 0)
- avformat_find_stream_info = (avformat_find_stream_info_t)dlsym(FormatHandle,"avformat_find_stream_info");
-# else
- av_find_stream_info = (av_find_stream_info_t)dlsym(FormatHandle,"av_find_stream_info");
-# endif
- avcodec_find_decoder =(avcodec_find_decoder_t) dlsym(CodecHandle,"avcodec_find_decoder");
-# if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(53, 8, 0)
- avcodec_open2 = (avcodec_open2_t)dlsym(CodecHandle,"avcodec_open2");
-# else
- avcodec_open = (avcodec_open_t)dlsym(CodecHandle,"avcodec_open");
-# endif
- avcodec_alloc_frame = (avcodec_alloc_frame_t)dlsym(CodecHandle,"avcodec_alloc_frame");
- avpicture_get_size = (avpicture_get_size_t)dlsym(CodecHandle,"avpicture_get_size");
- av_malloc = (av_malloc_t)dlsym(CodecHandle,"av_malloc");
- avpicture_fill = (avpicture_fill_t)dlsym(CodecHandle,"avpicture_fill");
- av_read_frame = (av_read_frame_t)dlsym(FormatHandle,"av_read_frame");
-# if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(52, 23, 0)
- avcodec_decode_video2 = (avcodec_decode_video2_t)dlsym(CodecHandle,"avcodec_decode_video2");
-# else
- avcodec_decode_video = (avcodec_decode_video_t)dlsym(CodecHandle,"avcodec_decode_video");
-# endif
-# ifndef HAVE_SWSCALE
- img_convert = (img_convert_t)dlsym(CodecHandle,"img_convert");
- //if img_convert is null (deprecated in ffmpeg), we need libswscale
- if (!img_convert) {
- m_error = i18n("Cannot open the library %1").arg("libswscale");
- return;
- }
-# endif
- av_free = (av_free_t)dlsym(CodecHandle,"av_free");
- av_free_packet = (av_free_packet_t)dlsym(CodecHandle,"av_free_packet");
- if (av_free_packet==0)
- av_free_packet=av_free_packet_internal;
- avcodec_close = (avcodec_close_t)dlsym(FormatHandle,"avcodec_close");
-# if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 17, 0)
- avformat_close_input = (avformat_close_input_t)dlsym(FormatHandle,"avformat_close_input");
-# else
- av_close_input_file = (av_close_input_file_t)dlsym(FormatHandle,"av_close_input_file");
-# endif
- av_seek_frame=(av_seek_frame_t)dlsym(FormatHandle,"av_seek_frame");
- av_rescale_q=(av_rescale_q_t)dlsym(FormatHandle,"av_rescale_q");
- avcodec_flush_buffers=(avcodec_flush_buffers_t)dlsym(CodecHandle,"avcodec_flush_buffers");
-# ifdef HAVE_SWSCALE
- sws_freeContext= (sws_freeContext_t)dlsym(SwscaleHandle,"sws_freeContext");
- sws_getContext=(sws_getContext_t)dlsym(SwscaleHandle,"sws_getContext");
- sws_scale= (sws_scale_t)dlsym(SwscaleHandle,"sws_scale");
-# endif
-
-# if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(51, 33, 0)
- av_gettime=(av_gettime_t)dlsym(UtilHandle,"av_gettime");
-# else
- av_gettime=(av_gettime_t)dlsym(FormatHandle,"av_gettime");
-# endif
+
+#if LIBAVFORMAT_VERSION_INT < AV_VERSION_INT(58,9,100)
av_register_all();
+#endif
m_opened=false;
- glibref++;
-
m_FormatCtx = NULL;
m_CodecCtx = NULL;
m_Codec = NULL;
@@ -168,20 +51,6 @@ k9AviDecode::k9AviDecode(TQObject *parent, const char *name)
k9AviDecode::~k9AviDecode() {
if (m_opened)
close();
- glibref--;
- if (glibref==0) {
- dlclose(FormatHandle);
- dlclose(CodecHandle);
- if(UtilHandle) {
- dlclose(UtilHandle);
- }
-# ifdef HAVE_SWSCALE
- if (SwscaleHandle) {
- dlclose(CodecHandle);
- }
-# endif
- }
-
}
@@ -194,33 +63,36 @@ bool k9AviDecode::open(const TQString & _fileName) {
close();
// Open video file
- if (
-# if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 2, 0)
- avformat_open_input(&m_FormatCtx, _fileName.utf8(), NULL, NULL)!=0
-# else
- av_open_input_file(&m_FormatCtx, _fileName.utf8(), NULL, 0, NULL)!=0
-# endif
- ) {
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 2, 0)
+ if (avformat_open_input(&m_FormatCtx, _fileName.utf8(), NULL, NULL)!=0)
+#else
+ if (av_open_input_file(&m_FormatCtx, _fileName.utf8(), NULL, 0, NULL)!=0)
+#endif
+ {
m_error=i18n("Couldn't open the file %1").arg(_fileName);
return false; // Couldn't open file}
}
// Retrieve stream information
- if (
-# if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 6, 0)
- avformat_find_stream_info(m_FormatCtx, NULL)<0
-# else
- av_find_stream_info(m_FormatCtx)<0
-# endif
- ) {
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 6, 0)
+ if (avformat_find_stream_info(m_FormatCtx, NULL)<0)
+#else
+ if (av_find_stream_info(m_FormatCtx)<0)
+#endif
+ {
m_error =i18n("Couldn't find stream information");
return false; // Couldn't find stream information
}
- int i;
+ unsigned int i;
// Find the first video stream
m_videoStream=-1;
for (i=0; i<m_FormatCtx->nb_streams; i++)
- if (m_FormatCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO) {
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 33, 100)
+ if (m_FormatCtx->streams[i]->codecpar->codec_type==AVMEDIA_TYPE_VIDEO)
+#else
+ if (m_FormatCtx->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO)
+#endif
+ {
m_videoStream=i;
break;
}
@@ -229,34 +101,56 @@ bool k9AviDecode::open(const TQString & _fileName) {
return false; // Didn't find a video stream
}
- // Get a pointer to the codec context for the video stream
- m_CodecCtx=m_FormatCtx->streams[m_videoStream]->codec;
-
-
// Find the decoder for the video stream
- m_Codec=avcodec_find_decoder(m_CodecCtx->codec_id);
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 33, 100)
+ m_Codec=(AVCodec *)avcodec_find_decoder(m_FormatCtx->streams[m_videoStream]->codecpar->codec_id);
+#else
+ m_Codec=(AVCodec *)avcodec_find_decoder(m_FormatCtx->streams[m_videoStream]->codec->codec_id);
+#endif
if (m_Codec==NULL) {
m_error=i18n("Unsupported codec");
return false; // Codec not found
}
+
+// Get/allocate a pointer to the codec context for the video stream
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 33, 100)
+ m_CodecCtx = avcodec_alloc_context3(m_Codec);
+ if (m_CodecCtx) {
+ avcodec_parameters_to_context(m_CodecCtx, m_FormatCtx->streams[m_videoStream]->codecpar);
+ }
+ else {
+ m_error=i18n("Failed to allocate a codec context");
+ return false;
+ }
+#else
+ m_CodecCtx=m_FormatCtx->streams[m_videoStream]->codec;
+#endif
+
// Open codec
- if (
-# if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(53, 8, 0)
- avcodec_open2(m_CodecCtx, m_Codec, NULL)<0
-# else
- avcodec_open(m_CodecCtx, m_Codec)<0
-# endif
- ) {
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(53, 8, 0)
+ if (avcodec_open2(m_CodecCtx, m_Codec, NULL)<0)
+#else
+ if (avcodec_open(m_CodecCtx, m_Codec)<0)
+#endif
+ {
m_error =i18n("Could'nt open the codec");
return false; // Could not open codec
}
// Allocate video frame
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55, 45, 101)
+ m_Frame=av_frame_alloc();
+#else
m_Frame=avcodec_alloc_frame();
+#endif
// Allocate an AVFrame structure
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55, 45, 101)
+ m_FrameRGB=av_frame_alloc();
+#else
m_FrameRGB=avcodec_alloc_frame();
+#endif
if (m_FrameRGB==NULL) {
m_error =i18n ("Unable to allocate memory for frames");
return false;
@@ -265,15 +159,25 @@ bool k9AviDecode::open(const TQString & _fileName) {
int numBytes;
// Determine required buffer size and allocate buffer
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 24, 100)
+ numBytes=av_image_get_buffer_size(AV_PIX_FMT_RGB24, m_CodecCtx->width,
+ m_CodecCtx->height, 1);
+#else
numBytes=avpicture_get_size(AV_PIX_FMT_RGB24, m_CodecCtx->width,
m_CodecCtx->height);
+#endif
m_buffer=(uint8_t *)av_malloc(numBytes*sizeof(uint8_t));
// Assign appropriate parts of buffer to image planes in pFrameRGB
// Note that pFrameRGB is an AVFrame, but AVFrame is a superset
// of AVPicture
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 24, 100)
+ av_image_fill_arrays(m_FrameRGB->data, m_FrameRGB->linesize, m_buffer,
+ AV_PIX_FMT_RGB24, m_CodecCtx->width, m_CodecCtx->height, 1);
+#else
avpicture_fill((AVPicture *)m_FrameRGB, m_buffer, AV_PIX_FMT_RGB24,
m_CodecCtx->width, m_CodecCtx->height);
+#endif
m_duration=(double)m_FormatCtx->duration / AV_TIME_BASE;
m_opened=true;
@@ -296,60 +200,70 @@ void k9AviDecode::readFrame(double _seconds) {
int res=av_seek_frame(m_FormatCtx, m_videoStream, fspos, AVSEEK_FLAG_BACKWARD );
avcodec_flush_buffers(m_CodecCtx);
int frameFinished=0;
- AVPacket packet;
+ AVPacket *packet;
+
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 12, 100)
+ packet = av_packet_alloc();
+#else
+ AVPacket _packet;
+ av_init_packet(&_packet);
+ packet = &_packet;
+#endif
-# ifdef HAVE_SWSCALE
struct SwsContext *toRGB_convert_ctx;
-# endif
bool bFound=false;
- while (av_read_frame(m_FormatCtx, &packet)>=0 && !bFound) {
+ while (av_read_frame(m_FormatCtx, packet)>=0 && !bFound) {
// Is this a packet from the video stream?
- if (packet.stream_index==m_videoStream) {
+ if (packet->stream_index==m_videoStream) {
// Decode video frame
-# if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(52, 23, 0)
- avcodec_decode_video2(m_CodecCtx, m_Frame, &frameFinished, &packet);
-# else
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 37, 100)
+ int ret = avcodec_receive_frame(m_CodecCtx, m_Frame);
+ if (ret == 0)
+ frameFinished = 1;
+ else if (ret == AVERROR(EAGAIN))
+ ret = 0;
+ if (ret == 0)
+ ret = avcodec_send_packet(m_CodecCtx, packet);
+#elif LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(52, 23, 0)
+ avcodec_decode_video2(m_CodecCtx, m_Frame, &frameFinished, packet);
+#else
avcodec_decode_video(m_CodecCtx, m_Frame, &frameFinished,
- packet.data, packet.size);
-# endif
+ packet->data, packet->size);
+#endif
// Did we get a video frame?
if (frameFinished) {
-// if (m_Frame->pts >=fspos)
- int64_t cur_dts=fspos;
-# if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(54, 2, 0)
- cur_dts= packet.dts;
-# else
- if (m_FormatCtx->cur_st)
- cur_dts= m_FormatCtx->cur_st->cur_dts;
-# endif
+ int64_t cur_dts=fspos;
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(54, 2, 0)
+ cur_dts = packet->dts;
+#else
+ if (m_FormatCtx->cur_st)
+ cur_dts = m_FormatCtx->cur_st->cur_dts;
+#endif
if (cur_dts >=fspos) {
bFound=true;
-# ifndef HAVE_SWSCALE
- // Convert the image from its native format to RGB
- img_convert((AVPicture *)m_FrameRGB, AV_PIX_FMT_RGB24,
- (AVPicture*)m_Frame, m_CodecCtx->pix_fmt,
- m_CodecCtx->width, m_CodecCtx->height);
-
- // convert frame to TQImage
- SaveFrame(m_FrameRGB, m_CodecCtx->width,
- m_CodecCtx->height);
-# else
toRGB_convert_ctx=sws_getContext(m_CodecCtx->width, m_CodecCtx->height, m_CodecCtx->pix_fmt, m_CodecCtx->width, m_CodecCtx->height, AV_PIX_FMT_RGB24, sws_flags,NULL,NULL,NULL);
- sws_scale(toRGB_convert_ctx, m_Frame->data, m_Frame->linesize, 0, m_CodecCtx->height, m_FrameRGB->data,m_FrameRGB->linesize);
+ sws_scale(toRGB_convert_ctx, m_Frame->data, m_Frame->linesize, 0, m_CodecCtx->height, m_FrameRGB->data,m_FrameRGB->linesize);
// convert frame to QImage
SaveFrame(m_FrameRGB, m_CodecCtx->width,
m_CodecCtx->height);
sws_freeContext(toRGB_convert_ctx);
-# endif
}
}
}
- // Free the packet that was allocated by av_read_frame
- av_free_packet(&packet);
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55, 25, 100)
+ // Unreference the packet from av_read_frame
+ av_packet_unref(packet);
+#else
+ // Free the packet from av_read_frame
+ av_free_packet(packet);
+#endif
}
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 12, 100)
+ av_packet_free(&packet);
+#endif
}
void k9AviDecode::SaveFrame(AVFrame *pFrame, int width, int height) {
@@ -380,11 +294,16 @@ void k9AviDecode::close() {
avcodec_close(m_CodecCtx);
// Close the video file
-# if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 17, 0)
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 17, 0)
avformat_close_input(&m_FormatCtx);
-# else
+#else
av_close_input_file(m_FormatCtx);
-# endif
+#endif
+
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(55, 63, 100)
+ avcodec_free_context(&m_CodecCtx);
+#endif
+
m_opened=false;
}
}