int attribute_align_arg av_buffersrc_add_frame(AVFilterContext *ctx,
AVFrame *frame)
{
BufferSourceContext *s = ctx->priv;
AVFrame *copy;
int refcounted, ret;
if (!frame) {
s->eof = 1;
return 0;
} else if (s->eof)
return AVERROR(EINVAL);
refcounted = !!frame->buf[0];
switch (ctx->outputs[0]->type) {
case AVMEDIA_TYPE_VIDEO:
CHECK_VIDEO_PARAM_CHANGE(ctx, s, frame->width, frame->height,
frame->format);
break;
case AVMEDIA_TYPE_AUDIO:
CHECK_AUDIO_PARAM_CHANGE(ctx, s, frame->sample_rate, frame->channel_layout,
frame->format);
break;
default:
return AVERROR(EINVAL);
}
if (!av_fifo_space(s->fifo) &&
(ret = av_fifo_realloc2(s->fifo, av_fifo_size(s->fifo) +
sizeof(copy))) < 0)
return ret;
if (!(copy = av_frame_alloc()))
return AVERROR(ENOMEM);
if (refcounted) {
av_frame_move_ref(copy, frame);
} else {
ret = av_frame_ref(copy, frame);
if (ret < 0) {
av_frame_free(©);
return ret;
}
}
if ((ret = av_fifo_generic_write(s->fifo, ©, sizeof(copy), NULL)) < 0) {
if (refcounted)
av_frame_move_ref(frame, copy);
av_frame_free(©);
return ret;
}
return 0;
}
int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
{
AVFrame *tmp;
int ret;
av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
if (!frame->data[0])
return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
if (av_frame_is_writable(frame))
return ff_decode_frame_props(avctx, frame);
tmp = av_frame_alloc();
if (!tmp)
return AVERROR(ENOMEM);
av_frame_move_ref(tmp, frame);
ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
if (ret < 0) {
av_frame_free(&tmp);
return ret;
}
av_frame_copy(frame, tmp);
av_frame_free(&tmp);
return 0;
}
static int read_from_fifo(AVFilterContext *ctx, AVFrame *frame,
int nb_samples)
{
BufferSinkContext *s = ctx->priv;
AVFilterLink *link = ctx->inputs[0];
AVFrame *tmp;
#ifdef IDE_COMPILE
AVRational tmp2;
#endif
if (!(tmp = ff_get_audio_buffer(link, nb_samples)))
return AVERROR(ENOMEM);
av_audio_fifo_read(s->audio_fifo, (void**)tmp->extended_data, nb_samples);
tmp->pts = s->next_pts;
if (s->next_pts != AV_NOPTS_VALUE) {
#ifdef IDE_COMPILE
tmp2.num = 1;
tmp2.den = link->sample_rate;
s->next_pts += av_rescale_q(nb_samples, tmp2, link->time_base);
#else
s->next_pts += av_rescale_q(nb_samples, (AVRational){1, link->sample_rate},
link->time_base);
#endif
}
av_frame_move_ref(frame, tmp);
av_frame_free(&tmp);
return 0;
}
int CDVDVideoCodecFFmpeg::FilterProcess(AVFrame* frame)
{
int result;
if (frame)
{
result = av_buffersrc_add_frame(m_pFilterIn, frame);
if (result < 0)
{
CLog::Log(LOGERROR, "CDVDVideoCodecFFmpeg::FilterProcess - av_buffersrc_add_frame");
return VC_ERROR;
}
}
result = av_buffersink_get_frame(m_pFilterOut, m_pFilterFrame);
if(result == AVERROR(EAGAIN) || result == AVERROR_EOF)
return VC_BUFFER;
else if(result < 0)
{
CLog::Log(LOGERROR, "CDVDVideoCodecFFmpeg::FilterProcess - av_buffersink_get_frame");
return VC_ERROR;
}
av_frame_unref(m_pFrame);
av_frame_move_ref(m_pFrame, m_pFilterFrame);
return VC_PICTURE;
}
int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
{
BufferSinkContext *buf = ctx->priv;
AVFilterLink *inlink = ctx->inputs[0];
int ret;
AVFrame *cur_frame;
/* no picref available, fetch it from the filterchain */
if (!av_fifo_size(buf->fifo)) {
if (flags & AV_BUFFERSINK_FLAG_NO_REQUEST)
return AVERROR(EAGAIN);
if ((ret = ff_request_frame(inlink)) < 0)
return ret;
}
if (!av_fifo_size(buf->fifo))
return AVERROR(EINVAL);
if (flags & AV_BUFFERSINK_FLAG_PEEK) {
cur_frame = *((AVFrame **)av_fifo_peek2(buf->fifo, 0));
av_frame_ref(frame, cur_frame); /* TODO check failure */
} else {
av_fifo_generic_read(buf->fifo, &cur_frame, sizeof(cur_frame), NULL);
av_frame_move_ref(frame, cur_frame);
av_frame_free(&cur_frame);
}
return 0;
}
bool
HardwareAccel::extractData(VideoFrame& input)
{
try {
auto inFrame = input.pointer();
if (inFrame->format != format_) {
std::stringstream buf;
buf << "Frame format mismatch: expected " << av_get_pix_fmt_name(format_);
buf << ", got " << av_get_pix_fmt_name((AVPixelFormat)inFrame->format);
throw std::runtime_error(buf.str());
}
// FFmpeg requires a second frame in which to transfer the data
// from the GPU buffer to the main memory
auto output = std::unique_ptr<VideoFrame>(new VideoFrame());
auto outFrame = output->pointer();
outFrame->format = AV_PIX_FMT_YUV420P;
extractData(input, *output);
// move outFrame into inFrame so the caller receives extracted image data
// but we have to delete inFrame first
av_frame_unref(inFrame);
av_frame_move_ref(inFrame, outFrame);
} catch (const std::runtime_error& e) {
fail(false);
RING_ERR("%s", e.what());
return false;
}
succeed();
return true;
}
int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
{
AVCodecInternal *avci = avctx->internal;
int ret;
av_frame_unref(frame);
if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
return AVERROR(EINVAL);
ret = bsfs_init(avctx);
if (ret < 0)
return ret;
if (avci->buffer_frame->buf[0]) {
av_frame_move_ref(frame, avci->buffer_frame);
} else {
ret = decode_receive_frame_internal(avctx, frame);
if (ret < 0)
return ret;
}
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
ret = apply_cropping(avctx, frame);
if (ret < 0) {
av_frame_unref(frame);
return ret;
}
}
avctx->frame_number++;
return 0;
}
static int vda_retrieve_data(AVCodecContext *s, AVFrame *frame)
{
InputStream *ist = s->opaque;
VDAContext *vda = ist->hwaccel_ctx;
CVPixelBufferRef pixbuf = (CVPixelBufferRef)frame->data[3];
OSType pixel_format = CVPixelBufferGetPixelFormatType(pixbuf);
CVReturn err;
uint8_t *data[4] = { 0 };
int linesize[4] = { 0 };
int planes, ret, i;
av_frame_unref(vda->tmp_frame);
switch (pixel_format) {
case kCVPixelFormatType_420YpCbCr8Planar: vda->tmp_frame->format = AV_PIX_FMT_YUV420P; break;
case kCVPixelFormatType_422YpCbCr8: vda->tmp_frame->format = AV_PIX_FMT_UYVY422; break;
default:
av_log(NULL, AV_LOG_ERROR,
"Unsupported pixel format: %u\n", pixel_format);
return AVERROR(ENOSYS);
}
vda->tmp_frame->width = frame->width;
vda->tmp_frame->height = frame->height;
ret = av_frame_get_buffer(vda->tmp_frame, 32);
if (ret < 0)
return ret;
err = CVPixelBufferLockBaseAddress(pixbuf, kCVPixelBufferLock_ReadOnly);
if (err != kCVReturnSuccess) {
av_log(NULL, AV_LOG_ERROR, "Error locking the pixel buffer.\n");
return AVERROR_UNKNOWN;
}
if (CVPixelBufferIsPlanar(pixbuf)) {
planes = CVPixelBufferGetPlaneCount(pixbuf);
for (i = 0; i < planes; i++) {
data[i] = CVPixelBufferGetBaseAddressOfPlane(pixbuf, i);
linesize[i] = CVPixelBufferGetBytesPerRowOfPlane(pixbuf, i);
}
} else {
data[0] = CVPixelBufferGetBaseAddress(pixbuf);
linesize[0] = CVPixelBufferGetBytesPerRow(pixbuf);
}
av_image_copy(vda->tmp_frame->data, vda->tmp_frame->linesize,
data, linesize, vda->tmp_frame->format,
frame->width, frame->height);
ret = av_frame_copy_props(vda->tmp_frame, frame);
if (ret < 0)
return ret;
av_frame_unref(frame);
av_frame_move_ref(frame, vda->tmp_frame);
return 0;
}
static int dxva2_retrieve_data(AVCodecContext *s, AVFrame *frame)
{
LPDIRECT3DSURFACE9 surface = (LPDIRECT3DSURFACE9)frame->data[3];
HwAccelContext *hac = s->opaque;
DXVA2Context *ctx = hac->hwaccel_ctx;
D3DSURFACE_DESC surfaceDesc;
D3DLOCKED_RECT LockedRect;
HRESULT hr;
int ret;
int i;
IDirect3DSurface9_GetDesc(surface, &surfaceDesc);
ctx->tmp_frame->width = frame->width;
ctx->tmp_frame->height = frame->height;
ctx->tmp_frame->format = AV_PIX_FMT_NV12;
ret = av_frame_get_buffer(ctx->tmp_frame, 32);
if (ret < 0)
return ret;
hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL, D3DLOCK_READONLY);
if (FAILED(hr)) {
av_log(NULL, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n");
return AVERROR_UNKNOWN;
}
av_image_copy_plane(ctx->tmp_frame->data[0], ctx->tmp_frame->linesize[0],
(uint8_t*)LockedRect.pBits,
LockedRect.Pitch, frame->width, frame->height);
av_image_copy_plane(ctx->tmp_frame->data[1], ctx->tmp_frame->linesize[1],
(uint8_t*)LockedRect.pBits + LockedRect.Pitch * surfaceDesc.Height,
LockedRect.Pitch, frame->width, frame->height / 2);
IDirect3DSurface9_UnlockRect(surface);
for (i = 0; i < ctx->num_surfaces; i++) {
if (ctx->surfaces[i] == surface) {
break;
}
}
av_log(NULL, AV_LOG_DEBUG, "dxva2_retrieve_data:%d\n",i);
ret = av_frame_copy_props(ctx->tmp_frame, frame);
if (ret < 0)
goto fail;
av_frame_unref(frame);
av_frame_move_ref(frame, ctx->tmp_frame);
return 0;
fail:
av_frame_unref(ctx->tmp_frame);
return ret;
}
static void fixstride(AVFilterLink *link, AVFrame *f)
{
AVFrame *dst = ff_default_get_video_buffer(link, f->width, f->height);
if(!dst)
return;
av_frame_copy_props(dst, f);
av_image_copy(dst->data, dst->linesize,
(const uint8_t **)f->data, f->linesize,
dst->format, dst->width, dst->height);
av_frame_unref(f);
av_frame_move_ref(f, dst);
av_frame_free(&dst);
}
static int cudascale_scale(AVFilterContext *ctx, AVFrame *out, AVFrame *in)
{
CUDAScaleContext *s = ctx->priv;
AVFrame *src = in;
int ret;
ret = scalecuda_resize(ctx, s->frame, src);
if (ret < 0)
return ret;
src = s->frame;
ret = av_hwframe_get_buffer(src->hw_frames_ctx, s->tmp_frame, 0);
if (ret < 0)
return ret;
av_frame_move_ref(out, s->frame);
av_frame_move_ref(s->frame, s->tmp_frame);
ret = av_frame_copy_props(out, in);
if (ret < 0)
return ret;
return 0;
}
static int transfer_data_alloc(AVFrame *dst, const AVFrame *src, int flags)
{
AVHWFramesContext *ctx = (AVHWFramesContext*)src->hw_frames_ctx->data;
AVFrame *frame_tmp;
int ret = 0;
frame_tmp = av_frame_alloc();
if (!frame_tmp)
return AVERROR(ENOMEM);
/* if the format is set, use that
* otherwise pick the first supported one */
if (dst->format >= 0) {
frame_tmp->format = dst->format;
} else {
enum AVPixelFormat *formats;
ret = av_hwframe_transfer_get_formats(src->hw_frames_ctx,
AV_HWFRAME_TRANSFER_DIRECTION_FROM,
&formats, 0);
if (ret < 0)
goto fail;
frame_tmp->format = formats[0];
av_freep(&formats);
}
frame_tmp->width = ctx->width;
frame_tmp->height = ctx->height;
ret = av_frame_get_buffer(frame_tmp, 32);
if (ret < 0)
goto fail;
ret = av_hwframe_transfer_data(frame_tmp, src, flags);
if (ret < 0)
goto fail;
frame_tmp->width = src->width;
frame_tmp->height = src->height;
av_frame_move_ref(dst, frame_tmp);
fail:
av_frame_free(&frame_tmp);
return ret;
}
int attribute_align_arg av_buffersink_get_frame(AVFilterContext *ctx,
AVFrame *frame)
{
BufferSinkContext *s = ctx->priv;
AVFilterLink *link = ctx->inputs[0];
int ret;
if ((ret = ff_request_frame(link)) < 0)
return ret;
if (!s->cur_frame)
return AVERROR(EINVAL);
av_frame_move_ref(frame, s->cur_frame);
av_frame_free(&s->cur_frame);
return 0;
}
static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
{
int ret;
/* move the original frame to our backup */
av_frame_unref(avci->to_free);
av_frame_move_ref(avci->to_free, frame);
/* now copy everything except the AVBufferRefs back
* note that we make a COPY of the side data, so calling av_frame_free() on
* the caller's frame will work properly */
ret = av_frame_copy_props(frame, avci->to_free);
if (ret < 0)
return ret;
memcpy(frame->data, avci->to_free->data, sizeof(frame->data));
memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
if (avci->to_free->extended_data != avci->to_free->data) {
int planes = av_get_channel_layout_nb_channels(avci->to_free->channel_layout);
int size = planes * sizeof(*frame->extended_data);
if (!size) {
av_frame_unref(frame);
return AVERROR_BUG;
}
frame->extended_data = av_malloc(size);
if (!frame->extended_data) {
av_frame_unref(frame);
return AVERROR(ENOMEM);
}
memcpy(frame->extended_data, avci->to_free->extended_data,
size);
} else
frame->extended_data = frame->data;
frame->format = avci->to_free->format;
frame->width = avci->to_free->width;
frame->height = avci->to_free->height;
frame->channel_layout = avci->to_free->channel_layout;
frame->nb_samples = avci->to_free->nb_samples;
return 0;
}
static int read_from_fifo(AVFilterContext *ctx, AVFrame *frame,
int nb_samples)
{
BufferSinkContext *s = ctx->priv;
AVFilterLink *link = ctx->inputs[0];
AVFrame *tmp;
if (!(tmp = ff_get_audio_buffer(link, nb_samples)))
return AVERROR(ENOMEM);
av_audio_fifo_read(s->audio_fifo, (void**)tmp->extended_data, nb_samples);
tmp->pts = s->next_pts;
s->next_pts += av_rescale_q(nb_samples, (AVRational){1, link->sample_rate},
link->time_base);
av_frame_move_ref(frame, tmp);
av_frame_free(&tmp);
return 0;
}
static int utvideo_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
UtVideoContext *utv = (UtVideoContext *)avctx->priv_data;
AVFrame *pic = avctx->coded_frame;
int w = avctx->width, h = avctx->height;
/* Set flags */
pic->reference = 0;
pic->pict_type = AV_PICTURE_TYPE_I;
pic->key_frame = 1;
/* Decode the frame */
utv->codec->DecodeFrame(utv->buffer, avpkt->data, true);
/* Set the output data depending on the colorspace */
switch (avctx->pix_fmt) {
case AV_PIX_FMT_YUV420P:
pic->linesize[0] = w;
pic->linesize[1] = pic->linesize[2] = w / 2;
pic->data[0] = utv->buffer;
pic->data[2] = utv->buffer + (w * h);
pic->data[1] = pic->data[2] + (w * h / 4);
break;
case AV_PIX_FMT_YUYV422:
pic->linesize[0] = w * 2;
pic->data[0] = utv->buffer;
break;
case AV_PIX_FMT_BGR24:
case AV_PIX_FMT_RGB32:
/* Make the linesize negative, since Ut Video uses bottom-up BGR */
pic->linesize[0] = -1 * w * (avctx->pix_fmt == AV_PIX_FMT_BGR24 ? 3 : 4);
pic->data[0] = utv->buffer + utv->buf_size + pic->linesize[0];
break;
}
*got_frame = 1;
av_frame_move_ref((AVFrame*)data, pic);
return avpkt->size;
}
static int dxva2_retrieve_data(AVCodecContext *s, AVFrame *frame)
{
InputStream *ist = s->opaque;
DXVA2Context *ctx = ist->hwaccel_ctx;
int ret;
ret = av_hwframe_transfer_data(ctx->tmp_frame, frame, 0);
if (ret < 0)
return ret;
ret = av_frame_copy_props(ctx->tmp_frame, frame);
if (ret < 0) {
av_frame_unref(ctx->tmp_frame);
return ret;
}
av_frame_unref(frame);
av_frame_move_ref(frame, ctx->tmp_frame);
return 0;
}
static int audio_thread(void *arg)
{
VideoState *is = (VideoState*)arg;
AVFrame *frame = av_frame_alloc();
Frame *af;
int got_frame = 0;
AVPacket pkt1, *pkt = &pkt1;
do {
if (packet_queue_get(&is->audioq, pkt, 1) < 0) {
break;
}
avcodec_decode_audio4(is->audio_ctx, frame, &got_frame, pkt);
if (got_frame) {
af = frame_queue_peek_writable(&is->sampq);
av_frame_move_ref(af->frame, frame);
frame_queue_push(&is->sampq);
av_free_packet(pkt);
}
} while(1);
av_frame_free(&frame);
return 0;
}
void AudioDecoder::run()
{
//get a pkt and decode it
//AVFrame* frame = av_frame_alloc();
auto sharedFrame = std::make_shared<Frame>();
for(;;){
if(aw->abortRequest == 1)
break;
std::shared_ptr<Packet> sharedPacket;
if(!aw->audioPacketQ.pop(sharedPacket))
continue;
AVPacket* ppkt = &sharedPacket->pkt;
int serial = sharedPacket->serial;
int flush = 0;
//flush the left frame
if(ppkt->size == 0 && ppkt->data == NULL)
flush = 1;
//get a frame and push
int gotFrame = 1;
AVFrame* frame = sharedFrame->frame;
do{
int ret = avcodec_decode_audio4(aw->audioCodecCtx, frame, &gotFrame, ppkt);
if(ret < 0){
std::cout<<"decode audio error!"<<std::endl;
break;
}
if(gotFrame){
//AVFrame* qFrame = av_frame_alloc();
auto qFrame = std::make_shared<Frame>();
qFrame->serial = serial;
av_frame_move_ref(qFrame->frame, frame);
aw->audioFrameQ.push(qFrame);
}
ppkt->data += ret;
ppkt->size -= ret;
} while((ppkt->size > 0 || (gotFrame && flush)) && aw->abortRequest != 1);
}
}
int CDVDVideoCodecFFmpeg::FilterProcess(AVFrame* frame)
{
int result;
if (frame || (m_codecControlFlags & DVD_CODEC_CTRL_DRAIN))
{
result = av_buffersrc_add_frame(m_pFilterIn, frame);
if (result < 0)
{
CLog::Log(LOGERROR, "CDVDVideoCodecFFmpeg::FilterProcess - av_buffersrc_add_frame");
return VC_ERROR;
}
}
result = av_buffersink_get_frame(m_pFilterOut, m_pFilterFrame);
if (result == AVERROR(EAGAIN))
return VC_BUFFER;
else if (result == AVERROR_EOF)
{
result = av_buffersink_get_frame(m_pFilterOut, m_pFilterFrame);
m_filterEof = true;
if (result < 0)
return VC_BUFFER;
}
else if (result < 0)
{
CLog::Log(LOGERROR, "CDVDVideoCodecFFmpeg::FilterProcess - av_buffersink_get_frame");
return VC_ERROR;
}
av_frame_unref(m_pFrame);
av_frame_move_ref(m_pFrame, m_pFilterFrame);
return VC_PICTURE;
}
static int decode_video_picture
(
lwlibav_video_decode_handler_t *vdhp,
AVFrame *picture,
int *got_picture,
uint32_t *current,
uint32_t goal,
uint32_t rap_number
)
{
/* Get a packet containing a frame. */
uint32_t frame_number = *current;
AVPacket *pkt = &vdhp->packet;
int ret = lwlibav_get_av_frame( vdhp->format, vdhp->stream_index, frame_number, pkt );
if( ret > 0 )
return ret;
/* Correct the current frame number in order to match DTS since libavformat might have sought wrong position. */
uint32_t correction_distance = 0;
if( frame_number == rap_number && (vdhp->lw_seek_flags & SEEK_DTS_BASED) )
{
frame_number = correct_current_frame_number( vdhp, pkt, frame_number, goal );
if( frame_number == 0
|| frame_number > rap_number )
return -2;
if( *current > frame_number )
/* It seems we got a more backward frame rather than what we requested. */
correction_distance = *current - frame_number;
*current = frame_number;
}
if( pkt->flags & AV_PKT_FLAG_KEY )
vdhp->last_rap_number = frame_number;
/* Avoid decoding frames until the seek correction caused by too backward is done. */
while( correction_distance )
{
ret = lwlibav_get_av_frame( vdhp->format, vdhp->stream_index, ++frame_number, pkt );
if( ret > 0 )
return ret;
if( pkt->flags & AV_PKT_FLAG_KEY )
vdhp->last_rap_number = frame_number;
*current = frame_number;
--correction_distance;
}
/* Decode a frame in a packet. */
int64_t pts = pkt->pts != AV_NOPTS_VALUE ? pkt->pts : pkt->dts;
AVFrame *mov_frame = vdhp->movable_frame_buffer;
av_frame_unref( mov_frame );
ret = avcodec_decode_video2( vdhp->ctx, mov_frame, got_picture, pkt );
/* We can't get the requested frame by feeding a picture if that picture is PAFF field coded.
* This branch avoids putting empty data on the frame buffer. */
if( *got_picture )
{
av_frame_unref( picture );
av_frame_move_ref( picture, mov_frame );
}
picture->pts = pts;
if( ret < 0 )
{
if( vdhp->lh.show_log )
vdhp->lh.show_log( &vdhp->lh, LW_LOG_ERROR, "Failed to decode a video frame." );
return -1;
}
return 0;
}
bool VideoEncoderFFmpeg::encode(const VideoFrame &frame)
{
DPTR_D(VideoEncoderFFmpeg);
QScopedPointer<AVFrame, ScopedAVFrameDeleter> f;
// hwupload
AVPixelFormat pixfmt = AVPixelFormat(frame.pixelFormatFFmpeg());
if (frame.isValid()) {
f.reset(av_frame_alloc());
f->format = pixfmt;
f->width = frame.width();
f->height = frame.height();
// f->quality = d.avctx->global_quality;
switch (timestampMode()) {
case TimestampCopy:
f->pts = int64_t(frame.timestamp()*frameRate()); // TODO: check monotically increase and fix if not. or another mode?
break;
case TimestampMonotonic:
f->pts = d.nb_encoded+1;
break;
default:
break;
}
// pts is set in muxer
const int nb_planes = frame.planeCount();
for (int i = 0; i < nb_planes; ++i) {
f->linesize[i] = frame.bytesPerLine(i);
f->data[i] = (uint8_t*)frame.constBits(i);
}
if (d.avctx->width <= 0) {
d.avctx->width = frame.width();
}
if (d.avctx->height <= 0) {
d.avctx->height = frame.width();
}
#ifdef HAVE_AVHWCTX
if (d.avctx->hw_frames_ctx) {
// TODO: try to map to SourceSurface
// checl valid sw_formats
if (!d.hwframes_ref) {
qWarning("no hw frame context for uploading");
return false;
}
if (pixfmt != d.hwframes->sw_format) {
// reinit or got an unsupported format. assume parameters will not change, so it's the 1st init
// check constraints
bool init_frames_ctx = d.hwframes->sw_format == AVPixelFormat(-1);
if (d.sw_fmts.contains(pixfmt)) { // format changed
init_frames_ctx = true;
} else { // convert to supported sw format
pixfmt = d.sw_fmts[0];
f->format = pixfmt;
VideoFrame converted = frame.to(VideoFormat::pixelFormatFromFFmpeg(pixfmt));
for (int i = 0; i < converted.planeCount(); ++i) {
f->linesize[i] = converted.bytesPerLine(i);
f->data[i] = (uint8_t*)frame.constBits(i);
}
}
if (init_frames_ctx) {
d.hwframes->sw_format = pixfmt;
d.hwframes->width = frame.width();
d.hwframes->height = frame.height();
AV_ENSURE(av_hwframe_ctx_init(d.hwframes_ref), false);
}
}
// upload
QScopedPointer<AVFrame, ScopedAVFrameDeleter> hwf( av_frame_alloc());
AV_ENSURE(av_hwframe_get_buffer(d.hwframes_ref, hwf.data(), 0), false);
//hwf->format = d.hwframes->format; // not necessary
//hwf->width = f->width;
//hwf->height = f->height;
AV_ENSURE(av_hwframe_transfer_data(hwf.data(), f.data(), 0), false);
AV_ENSURE(av_frame_copy_props(hwf.data(), f.data()), false);
av_frame_unref(f.data());
av_frame_move_ref(f.data(), hwf.data());
}
#endif //HAVE_AVHWCTX
}
AVPacket pkt;
av_init_packet(&pkt);
pkt.data = (uint8_t*)d.buffer.constData();
pkt.size = d.buffer.size();
int got_packet = 0;
int ret = avcodec_encode_video2(d.avctx, &pkt, f.data(), &got_packet);
if (ret < 0) {
qWarning("error avcodec_encode_video2: %s" ,av_err2str(ret));
return false; //false
}
d.nb_encoded++;
if (!got_packet) {
qWarning("no packet got");
d.packet = Packet();
// invalid frame means eof
return frame.isValid();
}
// qDebug("enc avpkt.pts: %lld, dts: %lld.", pkt.pts, pkt.dts);
d.packet = Packet::fromAVPacket(&pkt, av_q2d(d.avctx->time_base));
// qDebug("enc packet.pts: %.3f, dts: %.3f.", d.packet.pts, d.packet.dts);
return true;
}
void CVideoBufferFFmpeg::SetRef(AVFrame *frame)
{
av_frame_unref(m_pFrame);
av_frame_move_ref(m_pFrame, frame);
m_pixFormat = (AVPixelFormat)m_pFrame->format;
}
static int utvideo_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
UtVideoContext *utv = (UtVideoContext *)avctx->priv_data;
AVFrame *pic = avctx->coded_frame;
int w = avctx->width, h = avctx->height;
/* Set flags */
pic->pict_type = AV_PICTURE_TYPE_I;
pic->key_frame = 1;
/* Decode the frame */
utv->codec->DecodeFrame(utv->buffer, avpkt->data, true);
/* Set the output data depending on the colorspace */
switch (avctx->pix_fmt) {
case AV_PIX_FMT_YUV420P:
pic->linesize[0] = w;
pic->linesize[1] = pic->linesize[2] = w / 2;
pic->data[0] = utv->buffer;
pic->data[2] = utv->buffer + (w * h);
pic->data[1] = pic->data[2] + (w * h / 4);
break;
case AV_PIX_FMT_YUYV422:
pic->linesize[0] = w * 2;
pic->data[0] = utv->buffer;
break;
case AV_PIX_FMT_YUV422P10: {
uint16_t *y, *u, *v;
int i,j;
int linesize = ((w + 47) / 48) * 128;
pic->linesize[0] = w * 2;
pic->linesize[1] =
pic->linesize[2] = w;
pic->data[0] = utv->buffer + linesize * h;
pic->data[1] = pic->data[0] + h*pic->linesize[0];
pic->data[2] = pic->data[1] + h*pic->linesize[1];
y = (uint16_t*)pic->data[0];
u = (uint16_t*)pic->data[1];
v = (uint16_t*)pic->data[2];
for (j = 0; j < h; j++) {
const uint8_t *in = utv->buffer + j * linesize;
for (i = 0; i + 1 < w; i += 6, in += 4) {
unsigned a,b;
a = AV_RL32(in);
in += 4;
b = AV_RL32(in);
*u++ = (a ) & 0x3FF;
*y++ = (a>>10) & 0x3FF;
*v++ = (a>>20) & 0x3FF;
*y++ = (b ) & 0x3FF;
if (i + 3 >= w)
break;
in += 4;
a = AV_RL32(in);
*u++ = (b>>10) & 0x3FF;
*y++ = (b>>20) & 0x3FF;
*v++ = (a ) & 0x3FF;
*y++ = (a>>10) & 0x3FF;
if (i + 5 >= w)
break;
in += 4;
b = AV_RL32(in);
*u++ = (a>>20) & 0x3FF;
*y++ = (b ) & 0x3FF;
*v++ = (b>>10) & 0x3FF;
*y++ = (b>>20) & 0x3FF;
}
}
break;
}
case AV_PIX_FMT_BGR24:
case AV_PIX_FMT_RGB32:
/* Make the linesize negative, since Ut Video uses bottom-up BGR */
pic->linesize[0] = -1 * w * (avctx->pix_fmt == AV_PIX_FMT_BGR24 ? 3 : 4);
pic->data[0] = utv->buffer + utv->buf_size + pic->linesize[0];
break;
}
*got_frame = 1;
av_frame_move_ref((AVFrame*)data, pic);
return avpkt->size;
}
int CDVDVideoCodecFFmpeg::Decode(uint8_t* pData, int iSize, double dts, double pts)
{
int iGotPicture = 0, len = 0;
if (!m_pCodecContext)
return VC_ERROR;
if (pData)
m_iLastKeyframe++;
if (m_pHardware)
{
int result;
if (pData || (m_codecControlFlags & DVD_CODEC_CTRL_DRAIN))
{
result = m_pHardware->Check(m_pCodecContext);
result &= ~VC_NOBUFFER;
}
else
{
result = m_pHardware->Decode(m_pCodecContext, nullptr);
}
if (result)
return result;
}
if (!m_pHardware && pData)
SetFilters();
if (m_pFilterGraph && !m_filterEof)
{
int result = 0;
if (pData == NULL)
result = FilterProcess(nullptr);
if (m_codecControlFlags & DVD_CODEC_CTRL_DRAIN)
{
result &= VC_PICTURE;
}
if (result)
return result;
}
m_dts = dts;
m_pCodecContext->reordered_opaque = pts_dtoi(pts);
AVPacket avpkt;
av_init_packet(&avpkt);
avpkt.data = pData;
avpkt.size = iSize;
avpkt.dts = (dts == DVD_NOPTS_VALUE) ? AV_NOPTS_VALUE : dts / DVD_TIME_BASE * AV_TIME_BASE;
avpkt.pts = (pts == DVD_NOPTS_VALUE) ? AV_NOPTS_VALUE : pts / DVD_TIME_BASE * AV_TIME_BASE;
/* We lie, but this flag is only used by pngdec.c.
* Setting it correctly would allow CorePNG decoding. */
avpkt.flags = AV_PKT_FLAG_KEY;
len = avcodec_decode_video2(m_pCodecContext, m_pDecodedFrame, &iGotPicture, &avpkt);
if (m_decoderState == STATE_HW_FAILED && !m_pHardware)
return VC_REOPEN;
if(m_iLastKeyframe < m_pCodecContext->has_b_frames + 2)
m_iLastKeyframe = m_pCodecContext->has_b_frames + 2;
if (len < 0)
{
if(m_pHardware)
{
int result = m_pHardware->Check(m_pCodecContext);
if (result & VC_NOBUFFER)
{
result = m_pHardware->Decode(m_pCodecContext, NULL);
return result;
}
}
CLog::Log(LOGERROR, "%s - avcodec_decode_video returned failure", __FUNCTION__);
return VC_ERROR;
}
if (!iGotPicture)
{
if (pData && m_pCodecContext->skip_frame > AVDISCARD_DEFAULT)
{
m_droppedFrames++;
if (m_interlaced)
m_droppedFrames++;
}
if (m_pHardware && (m_codecControlFlags & DVD_CODEC_CTRL_DRAIN))
{
int result;
result = m_pHardware->Decode(m_pCodecContext, NULL);
return result;
}
else
return VC_BUFFER;
}
if (m_pDecodedFrame->key_frame)
{
m_started = true;
m_iLastKeyframe = m_pCodecContext->has_b_frames + 2;
}
if (m_pDecodedFrame->interlaced_frame)
m_interlaced = true;
else
m_interlaced = false;
/* put a limit on convergence count to avoid huge mem usage on streams without keyframes */
if (m_iLastKeyframe > 300)
m_iLastKeyframe = 300;
/* h264 doesn't always have keyframes + won't output before first keyframe anyway */
if(m_pCodecContext->codec_id == AV_CODEC_ID_H264 ||
m_pCodecContext->codec_id == AV_CODEC_ID_SVQ3)
m_started = true;
if (m_pHardware == nullptr)
{
bool need_scale = std::find( m_formats.begin()
, m_formats.end()
, m_pCodecContext->pix_fmt) == m_formats.end();
bool need_reopen = false;
if (m_filters != m_filters_next)
need_reopen = true;
if (!m_filters_next.empty() && m_filterEof)
need_reopen = true;
if (m_pFilterIn)
{
if (m_pFilterIn->outputs[0]->format != m_pCodecContext->pix_fmt ||
m_pFilterIn->outputs[0]->w != m_pCodecContext->width ||
m_pFilterIn->outputs[0]->h != m_pCodecContext->height)
need_reopen = true;
}
// try to setup new filters
if (need_reopen || (need_scale && m_pFilterGraph == nullptr))
{
m_filters = m_filters_next;
if (FilterOpen(m_filters, need_scale) < 0)
FilterClose();
}
}
int result;
if (m_pHardware)
{
av_frame_unref(m_pFrame);
av_frame_move_ref(m_pFrame, m_pDecodedFrame);
result = m_pHardware->Decode(m_pCodecContext, m_pFrame);
}
else if (m_pFilterGraph && !m_filterEof)
{
result = FilterProcess(m_pDecodedFrame);
}
else
{
av_frame_unref(m_pFrame);
av_frame_move_ref(m_pFrame, m_pDecodedFrame);
result = VC_PICTURE | VC_BUFFER;
}
if (m_codecControlFlags & DVD_CODEC_CTRL_DRAIN)
result &= ~VC_BUFFER;
if (result & VC_FLUSHED)
Reset();
return result;
}
void CVideoBufferDRMPRIME::SetRef(AVFrame* frame)
{
av_frame_move_ref(m_pFrame, frame);
}
CDVDVideoCodec::VCReturn CDVDVideoCodecFFmpeg::GetPicture(VideoPicture* pVideoPicture)
{
if (m_eof)
{
return VC_EOF;
}
// handle hw accelerators first, they may have frames ready
if (m_pHardware)
{
int flags = m_codecControlFlags;
flags &= ~DVD_CODEC_CTRL_DRAIN;
m_pHardware->SetCodecControl(flags);
CDVDVideoCodec::VCReturn ret = m_pHardware->Decode(m_pCodecContext, nullptr);
if (ret == VC_PICTURE)
{
if (m_pHardware->GetPicture(m_pCodecContext, pVideoPicture))
return VC_PICTURE;
else
return VC_ERROR;
}
else if (ret == VC_BUFFER)
;
else
return ret;
}
else if (m_pFilterGraph && !m_filterEof)
{
CDVDVideoCodec::VCReturn ret = FilterProcess(nullptr);
if (ret == VC_PICTURE)
{
if (!SetPictureParams(pVideoPicture))
return VC_ERROR;
return VC_PICTURE;
}
else if (ret == VC_BUFFER)
;
else
return ret;
}
// process ffmpeg
if (m_codecControlFlags & DVD_CODEC_CTRL_DRAIN)
{
AVPacket avpkt;
av_init_packet(&avpkt);
avpkt.data = nullptr;
avpkt.size = 0;
avpkt.dts = AV_NOPTS_VALUE;
avpkt.pts = AV_NOPTS_VALUE;
avcodec_send_packet(m_pCodecContext, &avpkt);
}
int ret = avcodec_receive_frame(m_pCodecContext, m_pDecodedFrame);
if (m_decoderState == STATE_HW_FAILED && !m_pHardware)
return VC_REOPEN;
if(m_iLastKeyframe < m_pCodecContext->has_b_frames + 2)
m_iLastKeyframe = m_pCodecContext->has_b_frames + 2;
if (ret == AVERROR_EOF)
{
// next drain hw accel or filter
if (m_pHardware)
{
int flags = m_codecControlFlags;
flags |= DVD_CODEC_CTRL_DRAIN;
m_pHardware->SetCodecControl(flags);
int ret = m_pHardware->Decode(m_pCodecContext, nullptr);
if (ret == VC_PICTURE)
{
if (m_pHardware->GetPicture(m_pCodecContext, pVideoPicture))
return VC_PICTURE;
else
return VC_ERROR;
}
else
{
m_eof = true;
CLog::Log(LOGDEBUG, "CDVDVideoCodecFFmpeg::GetPicture - eof hw accel");
return VC_EOF;
}
}
else if (m_pFilterGraph && !m_filterEof)
{
int ret = FilterProcess(nullptr);
if (ret == VC_PICTURE)
{
if (!SetPictureParams(pVideoPicture))
return VC_ERROR;
else
return VC_PICTURE;
}
else
{
m_eof = true;
CLog::Log(LOGDEBUG, "CDVDVideoCodecFFmpeg::GetPicture - eof filter");
return VC_EOF;
}
}
else
{
m_eof = true;
CLog::Log(LOGDEBUG, "CDVDVideoCodecFFmpeg::GetPicture - eof");
return VC_EOF;
}
}
else if (ret == AVERROR(EAGAIN))
{
return VC_BUFFER;
}
else if (ret)
{
CLog::Log(LOGERROR, "%s - avcodec_receive_frame returned failure", __FUNCTION__);
return VC_ERROR;
}
// here we got a frame
int64_t framePTS = m_pDecodedFrame->best_effort_timestamp;
if (m_pCodecContext->skip_frame > AVDISCARD_DEFAULT)
{
if (m_dropCtrl.m_state == CDropControl::VALID &&
m_dropCtrl.m_lastPTS != AV_NOPTS_VALUE &&
framePTS != AV_NOPTS_VALUE &&
framePTS > (m_dropCtrl.m_lastPTS + m_dropCtrl.m_diffPTS * 1.5))
{
m_droppedFrames++;
if (m_interlaced)
m_droppedFrames++;
}
}
m_dropCtrl.Process(framePTS, m_pCodecContext->skip_frame > AVDISCARD_DEFAULT);
if (m_pDecodedFrame->key_frame)
{
m_started = true;
m_iLastKeyframe = m_pCodecContext->has_b_frames + 2;
}
if (m_pDecodedFrame->interlaced_frame)
m_interlaced = true;
else
m_interlaced = false;
if (!m_started)
{
int frames = 300;
if (m_dropCtrl.m_state == CDropControl::VALID)
frames = static_cast<int>(6000000 / m_dropCtrl.m_diffPTS);
if (m_iLastKeyframe >= frames && m_pDecodedFrame->pict_type == AV_PICTURE_TYPE_I)
{
m_started = true;
}
else
{
av_frame_unref(m_pDecodedFrame);
return VC_BUFFER;
}
}
// push the frame to hw decoder for further processing
if (m_pHardware)
{
av_frame_unref(m_pFrame);
av_frame_move_ref(m_pFrame, m_pDecodedFrame);
CDVDVideoCodec::VCReturn ret = m_pHardware->Decode(m_pCodecContext, m_pFrame);
if (ret == VC_FLUSHED)
{
Reset();
return ret;
}
else if (ret == VC_FATAL)
{
m_decoderState = STATE_HW_FAILED;
return VC_REOPEN;
}
else if (ret == VC_PICTURE)
{
if (m_pHardware->GetPicture(m_pCodecContext, pVideoPicture))
return VC_PICTURE;
else
return VC_ERROR;
}
return ret;
}
// process filters for sw decoding
else
{
SetFilters();
bool need_scale = std::find(m_formats.begin(),
m_formats.end(),
m_pCodecContext->pix_fmt) == m_formats.end();
bool need_reopen = false;
if (m_filters != m_filters_next)
need_reopen = true;
if (!m_filters_next.empty() && m_filterEof)
need_reopen = true;
if (m_pFilterIn)
{
if (m_pFilterIn->outputs[0]->format != m_pCodecContext->pix_fmt ||
m_pFilterIn->outputs[0]->w != m_pCodecContext->width ||
m_pFilterIn->outputs[0]->h != m_pCodecContext->height)
need_reopen = true;
}
// try to setup new filters
if (need_reopen || (need_scale && m_pFilterGraph == nullptr))
{
m_filters = m_filters_next;
if (FilterOpen(m_filters, need_scale) < 0)
FilterClose();
}
if (m_pFilterGraph && !m_filterEof)
{
CDVDVideoCodec::VCReturn ret = FilterProcess(m_pDecodedFrame);
if (ret != VC_PICTURE)
return VC_NONE;
}
else
{
av_frame_unref(m_pFrame);
av_frame_move_ref(m_pFrame, m_pDecodedFrame);
}
if (!SetPictureParams(pVideoPicture))
return VC_ERROR;
else
return VC_PICTURE;
}
return VC_NONE;
}
int AudioDecoder::audio_thread(void *arg)
{
VideoState *is = (VideoState *) arg;
AVStreamsParser* ps = is->getAVStreamsParser();
AVFrame *frame = av_frame_alloc();
Frame *af;
#if CONFIG_AVFILTER
int last_serial = -1;
int64_t dec_channel_layout;
int reconfigure;
#endif
int got_frame = 0;
AVRational tb;
int ret = 0;
if (!frame)
return AVERROR(ENOMEM);
do {
if ((got_frame = is->auddec().decode_frame(frame)) < 0)
goto the_end;
if (got_frame) {
tb = (AVRational){1, frame->sample_rate};
#if CONFIG_AVFILTER
dec_channel_layout = get_valid_channel_layout(frame->channel_layout, av_frame_get_channels(frame));
reconfigure =
cmp_audio_fmts(is->audio_filter_src.fmt, is->audio_filter_src.channels,
(AVSampleFormat)frame->format, av_frame_get_channels(frame)) ||
is->audio_filter_src.channel_layout != dec_channel_layout ||
is->audio_filter_src.freq != frame->sample_rate ||
is->auddec().pkt_serial != last_serial;
if (reconfigure) {
char buf1[1024], buf2[1024];
av_get_channel_layout_string(buf1, sizeof(buf1), -1, is->audio_filter_src.channel_layout);
av_get_channel_layout_string(buf2, sizeof(buf2), -1, dec_channel_layout);
av_log(NULL, AV_LOG_DEBUG,
"Audio frame changed from rate:%d ch:%d fmt:%s layout:%s serial:%d to rate:%d ch:%d fmt:%s layout:%s serial:%d\n",
is->audio_filter_src.freq, is->audio_filter_src.channels, av_get_sample_fmt_name(is->audio_filter_src.fmt), buf1, last_serial,
frame->sample_rate, av_frame_get_channels(frame), av_get_sample_fmt_name((AVSampleFormat)frame->format), buf2, is->auddec().pkt_serial);
is->audio_filter_src.fmt = (AVSampleFormat)frame->format;
is->audio_filter_src.channels = av_frame_get_channels(frame);
is->audio_filter_src.channel_layout = dec_channel_layout;
is->audio_filter_src.freq = frame->sample_rate;
last_serial = is->auddec().pkt_serial;
if ((ret = configure_audio_filters(is,gOptions. afilters, 1)) < 0)
goto the_end;
}
if ((ret = av_buffersrc_add_frame(is->in_audio_filter, frame)) < 0)
goto the_end;
while ((ret = av_buffersink_get_frame_flags(is->out_audio_filter, frame, 0)) >= 0) {
tb = is->out_audio_filter->inputs[0]->time_base;
#endif
if (!(af = is->sampq().peek_writable()))
goto the_end;
af->pts = (frame->pts == AV_NOPTS_VALUE) ? NAN : frame->pts * av_q2d(tb);
af->pos = av_frame_get_pkt_pos(frame);
af->serial = is->auddec().pkt_serial;
af->duration = av_q2d((AVRational){frame->nb_samples, frame->sample_rate});
av_frame_move_ref(af->frame, frame);
is->sampq().push();
#if CONFIG_AVFILTER
if (ps->audioq.serial != is->auddec().pkt_serial)
break;
}
if (ret == AVERROR_EOF)
is->auddec().finished = is->auddec().pkt_serial;
#endif
}
} while (ret >= 0 || ret == AVERROR(EAGAIN) || ret == AVERROR_EOF);
the_end:
#if CONFIG_AVFILTER
avfilter_graph_free(&is->agraph);
#endif
av_frame_free(&frame);
return ret;
}
void CPixelBufferFFmpeg::SetRef(AVFrame *frame)
{
av_frame_unref(m_pFrame);
av_frame_move_ref(m_pFrame, frame);
m_pixFormat = static_cast<AVPixelFormat>(m_pFrame->format);
}
static int av_buffersrc_add_frame_internal(AVFilterContext *ctx,
AVFrame *frame, int flags)
{
BufferSourceContext *s = ctx->priv;
AVFrame *copy;
int refcounted, ret;
s->nb_failed_requests = 0;
if (!frame) {
s->eof = 1;
return 0;
} else if (s->eof)
return AVERROR(EINVAL);
refcounted = !!frame->buf[0];
if (!(flags & AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT)) {
switch (ctx->outputs[0]->type) {
case AVMEDIA_TYPE_VIDEO:
CHECK_VIDEO_PARAM_CHANGE(ctx, s, frame->width, frame->height,
frame->format);
break;
case AVMEDIA_TYPE_AUDIO:
/* For layouts unknown on input but known on link after negotiation. */
if (!frame->channel_layout)
frame->channel_layout = s->channel_layout;
CHECK_AUDIO_PARAM_CHANGE(ctx, s, frame->sample_rate, frame->channel_layout,
av_frame_get_channels(frame), frame->format);
break;
default:
return AVERROR(EINVAL);
}
}
if (!av_fifo_space(s->fifo) &&
(ret = av_fifo_realloc2(s->fifo, av_fifo_size(s->fifo) +
sizeof(copy))) < 0)
return ret;
if (!(copy = av_frame_alloc()))
return AVERROR(ENOMEM);
if (refcounted) {
av_frame_move_ref(copy, frame);
} else {
ret = av_frame_ref(copy, frame);
if (ret < 0) {
av_frame_free(©);
return ret;
}
}
if ((ret = av_fifo_generic_write(s->fifo, ©, sizeof(copy), NULL)) < 0) {
if (refcounted)
av_frame_move_ref(frame, copy);
av_frame_free(©);
return ret;
}
if ((flags & AV_BUFFERSRC_FLAG_PUSH))
if ((ret = ctx->output_pads[0].request_frame(ctx->outputs[0])) < 0)
return ret;
return 0;
}
