Preserve a preview frame to be restored after resuming the playback session. (7b73cfcc) · Commits · e / os / android_frameworks_base

media/libstagefright/AwesomePlayer.cpp

+81 −25

Original line number	Diff line number	Diff line
		@@ -84,6 +84,7 @@ private:

		struct AwesomeLocalRenderer : public AwesomeRenderer {
		AwesomeLocalRenderer(
		bool previewOnly,
		const char *componentName,
		OMX_COLOR_FORMATTYPE colorFormat,
		const sp<ISurface> &surface,
		@@ -91,15 +92,18 @@ struct AwesomeLocalRenderer : public AwesomeRenderer {
		size_t decodedWidth, size_t decodedHeight)
		: mTarget(NULL),
		mLibHandle(NULL) {
		init(componentName,
		init(previewOnly, componentName,
		colorFormat, surface, displayWidth,
		displayHeight, decodedWidth, decodedHeight);
		}

		virtual void render(MediaBuffer *buffer) {
		mTarget->render(
		(const uint8_t *)buffer->data() + buffer->range_offset(),
		buffer->range_length(), NULL);
		render((const uint8_t *)buffer->data() + buffer->range_offset(),
		buffer->range_length());
		}

		void render(const void *data, size_t size) {
		mTarget->render(data, size, NULL);
		}

		protected:
		@@ -118,6 +122,7 @@ private:
		void *mLibHandle;

		void init(
		bool previewOnly,
		const char *componentName,
		OMX_COLOR_FORMATTYPE colorFormat,
		const sp<ISurface> &surface,
		@@ -129,11 +134,17 @@ private:
		};

		void AwesomeLocalRenderer::init(
		bool previewOnly,
		const char *componentName,
		OMX_COLOR_FORMATTYPE colorFormat,
		const sp<ISurface> &surface,
		size_t displayWidth, size_t displayHeight,
		size_t decodedWidth, size_t decodedHeight) {
		if (!previewOnly) {
		// We will stick to the vanilla software-color-converting renderer
		// for "previewOnly" mode, to avoid unneccessarily switching overlays
		// more often than necessary.

		mLibHandle = dlopen("libstagefrighthw.so", RTLD_NOW);

		if (mLibHandle) {
		@@ -153,7 +164,9 @@ void AwesomeLocalRenderer::init(
		if (func) {
		mTarget =
		(*func)(surface, componentName, colorFormat,
		displayWidth, displayHeight, decodedWidth, decodedHeight);
		displayWidth, displayHeight,
		decodedWidth, decodedHeight);
		}
		}
		}

		@@ -166,6 +179,7 @@ void AwesomeLocalRenderer::init(

		AwesomePlayer::AwesomePlayer()
		: mTimeSource(NULL),
		mVideoRendererIsPreview(false),
		mAudioPlayer(NULL),
		mFlags(0),
		mLastVideoBuffer(NULL),
		@@ -532,6 +546,7 @@ void AwesomePlayer::initRenderer_l() {
		// Other decoders are instantiated locally and as a consequence
		// allocate their buffers in local address space.
		mVideoRenderer = new AwesomeLocalRenderer(
		false, // previewOnly
		component,
		(OMX_COLOR_FORMATTYPE)format,
		mISurface,
		@@ -765,6 +780,7 @@ void AwesomePlayer::onVideoEvent() {
		LOGV("VideoSource signalled format change.");

		if (mVideoRenderer != NULL) {
		mVideoRendererIsPreview = false;
		initRenderer_l();
		}
		continue;
		@@ -843,7 +859,9 @@ void AwesomePlayer::onVideoEvent() {
		return;
		}

		if (mVideoRenderer == NULL) {
		if (mVideoRendererIsPreview \|\| mVideoRenderer == NULL) {
		mVideoRendererIsPreview = false;

		initRenderer_l();
		}

		@@ -1062,6 +1080,26 @@ status_t AwesomePlayer::suspend() {
		state->mFlags = mFlags & (PLAYING \| LOOPING);
		getPosition_l(&state->mPositionUs);

		if (mLastVideoBuffer) {
		size_t size = mLastVideoBuffer->range_length();
		if (size) {
		state->mLastVideoFrameSize = size;
		state->mLastVideoFrame = malloc(size);
		memcpy(state->mLastVideoFrame,
		(const uint8_t *)mLastVideoBuffer->data()
		+ mLastVideoBuffer->range_offset(),
		size);

		state->mVideoWidth = mVideoWidth;
		state->mVideoHeight = mVideoHeight;

		sp<MetaData> meta = mVideoSource->getFormat();
		CHECK(meta->findInt32(kKeyColorFormat, &state->mColorFormat));
		CHECK(meta->findInt32(kKeyWidth, &state->mDecodedWidth));
		CHECK(meta->findInt32(kKeyHeight, &state->mDecodedHeight));
		}
		}

		reset_l();

		mSuspensionState = state;
		@@ -1102,6 +1140,24 @@ status_t AwesomePlayer::resume() {

		mFlags = state->mFlags & LOOPING;

		if (state->mLastVideoFrame && mISurface != NULL) {
		mVideoRenderer =
		new AwesomeLocalRenderer(
		true, // previewOnly
		"",
		(OMX_COLOR_FORMATTYPE)state->mColorFormat,
		mISurface,
		state->mVideoWidth,
		state->mVideoHeight,
		state->mDecodedWidth,
		state->mDecodedHeight);

		mVideoRendererIsPreview = true;

		((AwesomeLocalRenderer *)mVideoRenderer.get())->render(
		state->mLastVideoFrame, state->mLastVideoFrameSize);
		}

		if (state->mFlags & PLAYING) {
		play_l();
		}

media/libstagefright/include/AwesomePlayer.h

+18 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@
		#include "TimedEventQueue.h"

		#include <media/MediaPlayerInterface.h>
		#include <media/stagefright/DataSource.h>
		#include <media/stagefright/OMXClient.h>
		#include <utils/threads.h>

		@@ -111,6 +112,7 @@ private:

		sp<MediaSource> mVideoSource;
		sp<AwesomeRenderer> mVideoRenderer;
		bool mVideoRendererIsPreview;

		sp<MediaSource> mAudioSource;
		AudioPlayer *mAudioPlayer;
		@@ -162,6 +164,22 @@ private:
		uint32_t mFlags;
		int64_t mPositionUs;

		void *mLastVideoFrame;
		size_t mLastVideoFrameSize;
		int32_t mColorFormat;
		int32_t mVideoWidth, mVideoHeight;
		int32_t mDecodedWidth, mDecodedHeight;

		SuspensionState()
		: mLastVideoFrame(NULL) {
		}

		~SuspensionState() {
		if (mLastVideoFrame) {
		free(mLastVideoFrame);
		mLastVideoFrame = NULL;
		}
		}
		} *mSuspensionState;

		status_t setDataSource_l(