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-rw-r--r--media/libstagefright/CameraSource.cpp7
-rw-r--r--media/libstagefright/MPEG4Writer.cpp225
-rw-r--r--media/libstagefright/OMXCodec.cpp14
-rw-r--r--media/libstagefright/omx/OMXNodeInstance.cpp6
4 files changed, 203 insertions, 49 deletions
diff --git a/media/libstagefright/CameraSource.cpp b/media/libstagefright/CameraSource.cpp
index 075b1e3..f57ddc1 100644
--- a/media/libstagefright/CameraSource.cpp
+++ b/media/libstagefright/CameraSource.cpp
@@ -142,13 +142,6 @@ CameraSource::CameraSource(const sp<Camera> &camera)
mFirstFrameTimeUs(0),
mNumFrames(0),
mStarted(false) {
- char value[PROPERTY_VALUE_MAX];
- if (property_get("ro.hardware", value, NULL) && !strcmp(value, "sholes")) {
- // The hardware encoder(s) do not support yuv420, but only YCbYCr,
- // fortunately the camera also supports this, so we needn't transcode.
- mCamera->setParameters(String8("preview-format=yuv422i-yuyv"));
- }
-
String8 s = mCamera->getParameters();
printf("params: \"%s\"\n", s.string());
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index 2cf0ddf..e0e2b93 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -24,6 +24,7 @@
#include <media/stagefright/MetaData.h>
#include <media/stagefright/MediaDebug.h>
#include <media/stagefright/MediaDefs.h>
+#include <media/stagefright/MediaErrors.h>
#include <media/stagefright/MediaSource.h>
#include <media/stagefright/Utils.h>
@@ -65,10 +66,15 @@ private:
static void *ThreadWrapper(void *me);
void threadEntry();
+ status_t makeAVCCodecSpecificData(
+ const uint8_t *data, size_t size);
+
Track(const Track &);
Track &operator=(const Track &);
};
+#define USE_NALLEN_FOUR 1
+
MPEG4Writer::MPEG4Writer(const char *filename)
: mFile(fopen(filename, "wb")),
mOffset(0),
@@ -213,23 +219,55 @@ off_t MPEG4Writer::addSample(MediaBuffer *buffer) {
return old_offset;
}
+static void StripStartcode(MediaBuffer *buffer) {
+ if (buffer->range_length() < 4) {
+ return;
+ }
+
+ const uint8_t *ptr =
+ (const uint8_t *)buffer->data() + buffer->range_offset();
+
+ if (!memcmp(ptr, "\x00\x00\x00\x01", 4)) {
+ buffer->set_range(
+ buffer->range_offset() + 4, buffer->range_length() - 4);
+ }
+}
+
off_t MPEG4Writer::addLengthPrefixedSample(MediaBuffer *buffer) {
Mutex::Autolock autoLock(mLock);
+ StripStartcode(buffer);
+
off_t old_offset = mOffset;
size_t length = buffer->range_length();
+
+#if USE_NALLEN_FOUR
+ uint8_t x = length >> 24;
+ fwrite(&x, 1, 1, mFile);
+ x = (length >> 16) & 0xff;
+ fwrite(&x, 1, 1, mFile);
+ x = (length >> 8) & 0xff;
+ fwrite(&x, 1, 1, mFile);
+ x = length & 0xff;
+ fwrite(&x, 1, 1, mFile);
+#else
CHECK(length < 65536);
uint8_t x = length >> 8;
fwrite(&x, 1, 1, mFile);
x = length & 0xff;
fwrite(&x, 1, 1, mFile);
+#endif
fwrite((const uint8_t *)buffer->data() + buffer->range_offset(),
1, length, mFile);
+#if USE_NALLEN_FOUR
+ mOffset += length + 4;
+#else
mOffset += length + 2;
+#endif
return old_offset;
}
@@ -380,6 +418,60 @@ void *MPEG4Writer::Track::ThreadWrapper(void *me) {
return NULL;
}
+status_t MPEG4Writer::Track::makeAVCCodecSpecificData(
+ const uint8_t *data, size_t size) {
+ if (mCodecSpecificData != NULL) {
+ return ERROR_MALFORMED;
+ }
+
+ if (size < 4 || memcmp("\x00\x00\x00\x01", data, 4)) {
+ // Must start with a start-code.
+ return ERROR_MALFORMED;
+ }
+
+ size_t picParamOffset = 4;
+ while (picParamOffset + 3 < size
+ && memcmp("\x00\x00\x00\x01", &data[picParamOffset], 4)) {
+ ++picParamOffset;
+ }
+
+ if (picParamOffset + 3 >= size) {
+ // Could not find start-code for pictureParameterSet.
+ return ERROR_MALFORMED;
+ }
+
+ size_t seqParamSetLength = picParamOffset - 4;
+ size_t picParamSetLength = size - picParamOffset - 4;
+
+ mCodecSpecificDataSize =
+ 6 + 1 + seqParamSetLength + 2 + picParamSetLength + 2;
+
+ mCodecSpecificData = malloc(mCodecSpecificDataSize);
+ uint8_t *header = (uint8_t *)mCodecSpecificData;
+ header[0] = 1;
+ header[1] = 0x42; // profile
+ header[2] = 0x80;
+ header[3] = 0x1e; // level
+
+#if USE_NALLEN_FOUR
+ header[4] = 0xfc | 3; // length size == 4 bytes
+#else
+ header[4] = 0xfc | 1; // length size == 2 bytes
+#endif
+
+ header[5] = 0xe0 | 1;
+ header[6] = seqParamSetLength >> 8;
+ header[7] = seqParamSetLength & 0xff;
+ memcpy(&header[8], &data[4], seqParamSetLength);
+ header += 8 + seqParamSetLength;
+ header[0] = 1;
+ header[1] = picParamSetLength >> 8;
+ header[2] = picParamSetLength & 0xff;
+ memcpy(&header[3], &data[picParamOffset + 4], picParamSetLength);
+
+ return OK;
+}
+
void MPEG4Writer::Track::threadEntry() {
sp<MetaData> meta = mSource->getFormat();
const char *mime;
@@ -399,54 +491,40 @@ void MPEG4Writer::Track::threadEntry() {
++count;
- if (is_avc && count < 3) {
- size_t size = buffer->range_length();
-
- switch (count) {
- case 1:
- {
- CHECK_EQ(mCodecSpecificData, NULL);
- mCodecSpecificData = malloc(size + 8);
- uint8_t *header = (uint8_t *)mCodecSpecificData;
- header[0] = 1;
- header[1] = 0x42; // profile
- header[2] = 0x80;
- header[3] = 0x1e; // level
- header[4] = 0xfc | 3;
- header[5] = 0xe0 | 1;
- header[6] = size >> 8;
- header[7] = size & 0xff;
- memcpy(&header[8],
- (const uint8_t *)buffer->data() + buffer->range_offset(),
- size);
-
- mCodecSpecificDataSize = size + 8;
+ int32_t isCodecConfig;
+ if (buffer->meta_data()->findInt32(kKeyIsCodecConfig, &isCodecConfig)
+ && isCodecConfig) {
+ if (is_avc) {
+ status_t err = makeAVCCodecSpecificData(
+ (const uint8_t *)buffer->data()
+ + buffer->range_offset(),
+ buffer->range_length());
+
+ if (err != OK) {
+ LOGE("failed to parse avc codec specific data.");
break;
}
-
- case 2:
- {
- size_t offset = mCodecSpecificDataSize;
- mCodecSpecificDataSize += size + 3;
- mCodecSpecificData = realloc(mCodecSpecificData, mCodecSpecificDataSize);
- uint8_t *header = (uint8_t *)mCodecSpecificData;
- header[offset] = 1;
- header[offset + 1] = size >> 8;
- header[offset + 2] = size & 0xff;
- memcpy(&header[offset + 3],
- (const uint8_t *)buffer->data() + buffer->range_offset(),
- size);
+ } else if (is_mpeg4) {
+ if (mCodecSpecificData != NULL) {
break;
}
+
+ mCodecSpecificDataSize = buffer->range_length();
+ mCodecSpecificData = malloc(mCodecSpecificDataSize);
+ memcpy(mCodecSpecificData,
+ (const uint8_t *)buffer->data()
+ + buffer->range_offset(),
+ buffer->range_length());
}
buffer->release();
buffer = NULL;
continue;
- }
+ } else if (count == 1 && is_mpeg4 && mCodecSpecificData == NULL) {
+ // The TI mpeg4 encoder does not properly set the
+ // codec-specific-data flag.
- if (mCodecSpecificData == NULL && is_mpeg4) {
const uint8_t *data =
(const uint8_t *)buffer->data() + buffer->range_offset();
@@ -474,13 +552,70 @@ void MPEG4Writer::Track::threadEntry() {
memcpy(mCodecSpecificData, data, offset);
buffer->set_range(buffer->range_offset() + offset, size - offset);
+
+ if (size == offset) {
+ buffer->release();
+ buffer = NULL;
+
+ continue;
+ }
+ } else if (is_avc && count < 3) {
+ // The TI video encoder does not flag codec specific data
+ // as such and also splits up SPS and PPS across two buffers.
+
+ const uint8_t *data =
+ (const uint8_t *)buffer->data() + buffer->range_offset();
+
+ size_t size = buffer->range_length();
+
+ CHECK(count == 2 || mCodecSpecificData == NULL);
+
+ size_t offset = mCodecSpecificDataSize;
+ mCodecSpecificDataSize += size + 4;
+ mCodecSpecificData =
+ realloc(mCodecSpecificData, mCodecSpecificDataSize);
+
+ memcpy((uint8_t *)mCodecSpecificData + offset,
+ "\x00\x00\x00\x01", 4);
+
+ memcpy((uint8_t *)mCodecSpecificData + offset + 4, data, size);
+
+ buffer->release();
+ buffer = NULL;
+
+ if (count == 2) {
+ void *tmp = mCodecSpecificData;
+ size = mCodecSpecificDataSize;
+ mCodecSpecificData = NULL;
+ mCodecSpecificDataSize = 0;
+
+ status_t err = makeAVCCodecSpecificData(
+ (const uint8_t *)tmp, size);
+
+ free(tmp);
+ tmp = NULL;
+
+ if (err != OK) {
+ LOGE("failed to parse avc codec specific data.");
+ break;
+ }
+ }
+
+ continue;
}
off_t offset = is_avc ? mOwner->addLengthPrefixedSample(buffer)
: mOwner->addSample(buffer);
SampleInfo info;
- info.size = is_avc ? buffer->range_length() + 2 : buffer->range_length();
+ info.size = is_avc
+#if USE_NALLEN_FOUR
+ ? buffer->range_length() + 4
+#else
+ ? buffer->range_length() + 2
+#endif
+ : buffer->range_length();
+
info.offset = offset;
int64_t timestampUs;
@@ -733,19 +868,29 @@ void MPEG4Writer::Track::writeTrackHeader(int32_t trackID) {
mOwner->beginBox("stts");
mOwner->writeInt32(0); // version=0, flags=0
- mOwner->writeInt32(mSampleInfos.size() - 1);
+ mOwner->writeInt32(mSampleInfos.size());
List<SampleInfo>::iterator it = mSampleInfos.begin();
int64_t last = (*it).timestamp;
+ int64_t lastDuration = 1;
+
++it;
while (it != mSampleInfos.end()) {
mOwner->writeInt32(1);
- mOwner->writeInt32((*it).timestamp - last);
+ lastDuration = (*it).timestamp - last;
+ mOwner->writeInt32(lastDuration);
last = (*it).timestamp;
++it;
}
+
+ // We don't really know how long the last frame lasts, since
+ // there is no frame time after it, just repeat the previous
+ // frame's duration.
+ mOwner->writeInt32(1);
+ mOwner->writeInt32(lastDuration);
+
mOwner->endBox(); // stts
mOwner->beginBox("stsz");
diff --git a/media/libstagefright/OMXCodec.cpp b/media/libstagefright/OMXCodec.cpp
index 6037088..41ce239 100644
--- a/media/libstagefright/OMXCodec.cpp
+++ b/media/libstagefright/OMXCodec.cpp
@@ -137,6 +137,7 @@ static const CodecInfo kEncoderInfo[] = {
{ MEDIA_MIMETYPE_VIDEO_H263, "OMX.qcom.video.encoder.h263" },
{ MEDIA_MIMETYPE_VIDEO_H263, "OMX.TI.Video.encoder" },
{ MEDIA_MIMETYPE_VIDEO_H263, "OMX.PV.h263enc" },
+ { MEDIA_MIMETYPE_VIDEO_AVC, "OMX.qcom.video.encoder.avc" },
{ MEDIA_MIMETYPE_VIDEO_AVC, "OMX.TI.Video.encoder" },
{ MEDIA_MIMETYPE_VIDEO_AVC, "OMX.PV.avcenc" },
};
@@ -679,6 +680,7 @@ static size_t getFrameSize(
case OMX_COLOR_FormatCbYCrY:
return width * height * 2;
+ case OMX_COLOR_FormatYUV420Planar:
case OMX_COLOR_FormatYUV420SemiPlanar:
return (width * height * 3) / 2;
@@ -706,7 +708,7 @@ void OMXCodec::setVideoInputFormat(
OMX_COLOR_FORMATTYPE colorFormat = OMX_COLOR_FormatYUV420SemiPlanar;
if (!strcasecmp("OMX.TI.Video.encoder", mComponentName)) {
- colorFormat = OMX_COLOR_FormatYCbYCr;
+ colorFormat = OMX_COLOR_FormatYUV420Planar;
}
CHECK_EQ(setVideoPortFormatType(
@@ -764,6 +766,14 @@ void OMXCodec::setVideoInputFormat(
mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
CHECK_EQ(err, OK);
+ err = mOMX->getParameter(
+ mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
+ CHECK_EQ(err, OK);
+
+ err = mOMX->setParameter(
+ mNode, OMX_IndexParamPortDefinition, &def, sizeof(def));
+ CHECK_EQ(err, OK);
+
switch (compressionFormat) {
case OMX_VIDEO_CodingMPEG4:
{
@@ -911,7 +921,7 @@ status_t OMXCodec::setupAVCEncoderParameters() {
CHECK_EQ(err, OK);
bitrateType.eControlRate = OMX_Video_ControlRateVariable;
- bitrateType.nTargetBitrate = 1000000;
+ bitrateType.nTargetBitrate = 3000000;
err = mOMX->setParameter(
mNode, OMX_IndexParamVideoBitrate,
diff --git a/media/libstagefright/omx/OMXNodeInstance.cpp b/media/libstagefright/omx/OMXNodeInstance.cpp
index c1a010c..5db516e 100644
--- a/media/libstagefright/omx/OMXNodeInstance.cpp
+++ b/media/libstagefright/omx/OMXNodeInstance.cpp
@@ -264,6 +264,8 @@ status_t OMXNodeInstance::useBuffer(
return UNKNOWN_ERROR;
}
+ CHECK_EQ(header->pAppPrivate, buffer_meta);
+
*buffer = header;
addActiveBuffer(portIndex, *buffer);
@@ -294,6 +296,8 @@ status_t OMXNodeInstance::allocateBuffer(
return UNKNOWN_ERROR;
}
+ CHECK_EQ(header->pAppPrivate, buffer_meta);
+
*buffer = header;
*buffer_data = header->pBuffer;
@@ -325,6 +329,8 @@ status_t OMXNodeInstance::allocateBufferWithBackup(
return UNKNOWN_ERROR;
}
+ CHECK_EQ(header->pAppPrivate, buffer_meta);
+
*buffer = header;
addActiveBuffer(portIndex, *buffer);
generated by cgit v1.1 at 2024-11-06 05:21:34 +0000