gecko/content/media/gstreamer/nsGStreamerReader.h
Ehsan Akhgari 0fd9123eac Bug 579517 - Part 1: Automated conversion of NSPR numeric types to stdint types in Gecko; r=bsmedberg
This patch was generated by a script.  Here's the source of the script for
future reference:

function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
       ! -wholename "*security/nss*" \
       ! -wholename "*/.hg*" \
       ! -wholename "obj-ff-dbg*" \
       ! -name nsXPCOMCID.h \
       ! -name prtypes.h \
         -type f \
      \( -iname "*.cpp" \
         -o -iname "*.h" \
         -o -iname "*.c" \
         -o -iname "*.cc" \
         -o -iname "*.idl" \
         -o -iname "*.ipdl" \
         -o -iname "*.ipdlh" \
         -o -iname "*.mm" \) | \
    xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}

convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t

convert PRIntn int
convert PRUintn unsigned

convert PRSize size_t

convert PROffset32 int32_t
convert PROffset64 int64_t

convert PRPtrdiff ptrdiff_t

convert PRFloat64 double
2012-08-22 11:56:38 -04:00

140 lines
4.5 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#if !defined(nsGStreamerReader_h_)
#define nsGStreamerReader_h_
#include <gst/gst.h>
#include <gst/app/gstappsrc.h>
#include <gst/app/gstappsink.h>
#include <gst/video/video.h>
#include "nsBuiltinDecoderReader.h"
using namespace mozilla;
class nsMediaDecoder;
class nsTimeRanges;
class nsGStreamerReader : public nsBuiltinDecoderReader
{
public:
nsGStreamerReader(nsBuiltinDecoder* aDecoder);
virtual ~nsGStreamerReader();
virtual nsresult Init(nsBuiltinDecoderReader* aCloneDonor);
virtual nsresult ResetDecode();
virtual bool DecodeAudioData();
virtual bool DecodeVideoFrame(bool &aKeyframeSkip,
int64_t aTimeThreshold);
virtual nsresult ReadMetadata(nsVideoInfo* aInfo,
nsHTMLMediaElement::MetadataTags** aTags);
virtual nsresult Seek(int64_t aTime,
int64_t aStartTime,
int64_t aEndTime,
int64_t aCurrentTime);
virtual nsresult GetBuffered(nsTimeRanges* aBuffered, int64_t aStartTime);
virtual bool IsSeekableInBufferedRanges() {
return true;
}
virtual bool HasAudio() {
return mInfo.mHasAudio;
}
virtual bool HasVideo() {
return mInfo.mHasVideo;
}
private:
void ReadAndPushData(guint aLength);
bool WaitForDecodedData(int *counter);
void NotifyBytesConsumed();
int64_t QueryDuration();
/* Gst callbacks */
/* Called on the source-setup signal emitted by playbin. Used to
* configure appsrc .
*/
static void PlayBinSourceSetupCb(GstElement *aPlayBin,
GstElement *aSource,
gpointer aUserData);
void PlayBinSourceSetup(GstAppSrc *aSource);
/* Called from appsrc when we need to read more data from the resource */
static void NeedDataCb(GstAppSrc *aSrc, guint aLength, gpointer aUserData);
void NeedData(GstAppSrc *aSrc, guint aLength);
/* Called when appsrc has enough data and we can stop reading */
static void EnoughDataCb(GstAppSrc *aSrc, gpointer aUserData);
void EnoughData(GstAppSrc *aSrc);
/* Called when a seek is issued on the pipeline */
static gboolean SeekDataCb(GstAppSrc *aSrc,
guint64 aOffset,
gpointer aUserData);
gboolean SeekData(GstAppSrc *aSrc, guint64 aOffset);
/* Called when events reach the sinks. See inline comments */
static gboolean EventProbeCb(GstPad *aPad, GstEvent *aEvent, gpointer aUserData);
gboolean EventProbe(GstPad *aPad, GstEvent *aEvent);
/* Called when the pipeline is prerolled, that is when at start or after a
* seek, the first audio and video buffers are queued in the sinks.
*/
static GstFlowReturn NewPrerollCb(GstAppSink *aSink, gpointer aUserData);
void VideoPreroll();
void AudioPreroll();
/* Called when buffers reach the sinks */
static GstFlowReturn NewBufferCb(GstAppSink *aSink, gpointer aUserData);
void NewVideoBuffer();
void NewAudioBuffer();
/* Called at end of stream, when decoding has finished */
static void EosCb(GstAppSink *aSink, gpointer aUserData);
void Eos(GstAppSink *aSink);
GstElement *mPlayBin;
GstBus *mBus;
GstAppSrc *mSource;
/* video sink bin */
GstElement *mVideoSink;
/* the actual video app sink */
GstAppSink *mVideoAppSink;
/* audio sink bin */
GstElement *mAudioSink;
/* the actual audio app sink */
GstAppSink *mAudioAppSink;
GstVideoFormat mFormat;
nsIntRect mPicture;
int mVideoSinkBufferCount;
int mAudioSinkBufferCount;
GstAppSrcCallbacks mSrcCallbacks;
GstAppSinkCallbacks mSinkCallbacks;
/* monitor used to synchronize access to shared state between gstreamer
* threads and other gecko threads */
mozilla::ReentrantMonitor mGstThreadsMonitor;
/* video and audio segments we use to convert absolute timestamps to [0,
* stream_duration]. They're set when the pipeline is started or after a seek.
* Concurrent access guarded with mGstThreadsMonitor.
*/
GstSegment mVideoSegment;
GstSegment mAudioSegment;
/* bool used to signal when gst has detected the end of stream and
* DecodeAudioData and DecodeVideoFrame should not expect any more data
*/
bool mReachedEos;
/* offset we've reached reading from the source */
gint64 mByteOffset;
/* the last offset we reported with NotifyBytesConsumed */
gint64 mLastReportedByteOffset;
int fpsNum;
int fpsDen;
};
#endif