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Diffstat (limited to 'media/libstagefright/codecs/on2/dec/VPXDecoder.cpp')
-rw-r--r--media/libstagefright/codecs/on2/dec/VPXDecoder.cpp277
1 files changed, 0 insertions, 277 deletions
diff --git a/media/libstagefright/codecs/on2/dec/VPXDecoder.cpp b/media/libstagefright/codecs/on2/dec/VPXDecoder.cpp
deleted file mode 100644
index 489e5ad..0000000
--- a/media/libstagefright/codecs/on2/dec/VPXDecoder.cpp
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "VPXDecoder"
-#include <utils/Log.h>
-
-#include "VPXDecoder.h"
-
-#include <OMX_Component.h>
-
-#include <media/stagefright/MediaBufferGroup.h>
-#include <media/stagefright/MediaDebug.h>
-#include <media/stagefright/MediaDefs.h>
-#include <media/stagefright/MediaErrors.h>
-#include <media/stagefright/MetaData.h>
-#include <media/stagefright/Utils.h>
-
-#include "vpx/vpx_decoder.h"
-#include "vpx/vpx_codec.h"
-#include "vpx/vp8dx.h"
-
-namespace android {
-
-VPXDecoder::VPXDecoder(const sp<MediaSource> &source)
- : mSource(source),
- mStarted(false),
- mBufferSize(0),
- mCtx(NULL),
- mBufferGroup(NULL),
- mTargetTimeUs(-1) {
- sp<MetaData> inputFormat = source->getFormat();
- const char *mime;
- CHECK(inputFormat->findCString(kKeyMIMEType, &mime));
- CHECK(!strcasecmp(mime, MEDIA_MIMETYPE_VIDEO_VPX));
-
- CHECK(inputFormat->findInt32(kKeyWidth, &mWidth));
- CHECK(inputFormat->findInt32(kKeyHeight, &mHeight));
-
- mBufferSize = (mWidth * mHeight * 3) / 2;
-
- mFormat = new MetaData;
- mFormat->setCString(kKeyMIMEType, MEDIA_MIMETYPE_VIDEO_RAW);
- mFormat->setInt32(kKeyWidth, mWidth);
- mFormat->setInt32(kKeyHeight, mHeight);
- mFormat->setInt32(kKeyColorFormat, OMX_COLOR_FormatYUV420Planar);
- mFormat->setCString(kKeyDecoderComponent, "VPXDecoder");
-
- int64_t durationUs;
- if (inputFormat->findInt64(kKeyDuration, &durationUs)) {
- mFormat->setInt64(kKeyDuration, durationUs);
- }
-}
-
-VPXDecoder::~VPXDecoder() {
- if (mStarted) {
- stop();
- }
-}
-
-status_t VPXDecoder::start(MetaData *) {
- if (mStarted) {
- return UNKNOWN_ERROR;
- }
-
- status_t err = mSource->start();
-
- if (err != OK) {
- return err;
- }
-
- mCtx = new vpx_codec_ctx_t;
- vpx_codec_err_t vpx_err;
- if ((vpx_err = vpx_codec_dec_init(
- (vpx_codec_ctx_t *)mCtx, &vpx_codec_vp8_dx_algo, NULL, 0))) {
- LOGE("on2 decoder failed to initialize. (%d)", vpx_err);
-
- mSource->stop();
-
- return UNKNOWN_ERROR;
- }
-
- mBufferGroup = new MediaBufferGroup;
- mBufferGroup->add_buffer(new MediaBuffer(mBufferSize));
- mBufferGroup->add_buffer(new MediaBuffer(mBufferSize));
-
- mTargetTimeUs = -1;
-
- mStarted = true;
-
- return OK;
-}
-
-status_t VPXDecoder::stop() {
- if (!mStarted) {
- return UNKNOWN_ERROR;
- }
-
- delete mBufferGroup;
- mBufferGroup = NULL;
-
- vpx_codec_destroy((vpx_codec_ctx_t *)mCtx);
- delete (vpx_codec_ctx_t *)mCtx;
- mCtx = NULL;
-
- mSource->stop();
-
- mStarted = false;
-
- return OK;
-}
-
-sp<MetaData> VPXDecoder::getFormat() {
- return mFormat;
-}
-
-status_t VPXDecoder::read(
- MediaBuffer **out, const ReadOptions *options) {
- *out = NULL;
-
- bool seeking = false;
- int64_t seekTimeUs;
- ReadOptions::SeekMode seekMode;
- if (options && options->getSeekTo(&seekTimeUs, &seekMode)) {
- seeking = true;
- }
-
- MediaBuffer *input;
- status_t err = mSource->read(&input, options);
-
- if (err != OK) {
- return err;
- }
-
- LOGV("read %d bytes from source\n", input->range_length());
-
- if (seeking) {
- int64_t targetTimeUs;
- if (input->meta_data()->findInt64(kKeyTargetTime, &targetTimeUs)
- && targetTimeUs >= 0) {
- mTargetTimeUs = targetTimeUs;
- } else {
- mTargetTimeUs = -1;
- }
- }
-
- if (vpx_codec_decode(
- (vpx_codec_ctx_t *)mCtx,
- (uint8_t *)input->data() + input->range_offset(),
- input->range_length(),
- NULL,
- 0)) {
- LOGE("on2 decoder failed to decode frame.");
- input->release();
- input = NULL;
-
- return UNKNOWN_ERROR;
- }
-
- LOGV("successfully decoded 1 or more frames.");
-
- int64_t timeUs;
- CHECK(input->meta_data()->findInt64(kKeyTime, &timeUs));
-
- input->release();
- input = NULL;
-
- bool skipFrame = false;
-
- if (mTargetTimeUs >= 0) {
- CHECK(timeUs <= mTargetTimeUs);
-
- if (timeUs < mTargetTimeUs) {
- // We're still waiting for the frame with the matching
- // timestamp and we won't return the current one.
- skipFrame = true;
-
- LOGV("skipping frame at %lld us", timeUs);
- } else {
- LOGV("found target frame at %lld us", timeUs);
-
- mTargetTimeUs = -1;
- }
- }
-
- if (skipFrame) {
- *out = new MediaBuffer(0);
- return OK;
- }
-
- vpx_codec_iter_t iter = NULL;
- vpx_image_t *img = vpx_codec_get_frame((vpx_codec_ctx_t *)mCtx, &iter);
-
- if (img == NULL) {
- // The VPX format supports "internal-only" frames that are
- // referenced by future content but never actually displayed, so
- // this is a perfectly valid scenario.
-
- *out = new MediaBuffer(0);
- return OK;
- }
-
- CHECK_EQ(img->fmt, IMG_FMT_I420);
-
- int32_t width = img->d_w;
- int32_t height = img->d_h;
-
- if (width != mWidth || height != mHeight) {
- LOGI("Image dimensions changed, width = %d, height = %d",
- width, height);
-
- mWidth = width;
- mHeight = height;
- mFormat->setInt32(kKeyWidth, width);
- mFormat->setInt32(kKeyHeight, height);
-
- mBufferSize = (mWidth * mHeight * 3) / 2;
- delete mBufferGroup;
- mBufferGroup = new MediaBufferGroup;
- mBufferGroup->add_buffer(new MediaBuffer(mBufferSize));
- mBufferGroup->add_buffer(new MediaBuffer(mBufferSize));
-
- return INFO_FORMAT_CHANGED;
- }
-
- MediaBuffer *output;
- CHECK_EQ(mBufferGroup->acquire_buffer(&output), OK);
-
- const uint8_t *srcLine = (const uint8_t *)img->planes[PLANE_Y];
- uint8_t *dst = (uint8_t *)output->data();
- for (size_t i = 0; i < img->d_h; ++i) {
- memcpy(dst, srcLine, img->d_w);
-
- srcLine += img->stride[PLANE_Y];
- dst += img->d_w;
- }
-
- srcLine = (const uint8_t *)img->planes[PLANE_U];
- for (size_t i = 0; i < img->d_h / 2; ++i) {
- memcpy(dst, srcLine, img->d_w / 2);
-
- srcLine += img->stride[PLANE_U];
- dst += img->d_w / 2;
- }
-
- srcLine = (const uint8_t *)img->planes[PLANE_V];
- for (size_t i = 0; i < img->d_h / 2; ++i) {
- memcpy(dst, srcLine, img->d_w / 2);
-
- srcLine += img->stride[PLANE_V];
- dst += img->d_w / 2;
- }
-
- output->set_range(0, (width * height * 3) / 2);
-
- output->meta_data()->setInt64(kKeyTime, timeUs);
-
- *out = output;
-
- return OK;
-}
-
-} // namespace android
-
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