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author | Andreas Huber <andih@google.com> | 2012-05-03 11:33:01 -0700 |
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committer | Andreas Huber <andih@google.com> | 2012-05-03 11:47:08 -0700 |
commit | 9806555d3930be43e11106281dee354820ac1c88 (patch) | |
tree | b5aa448cc0bfede361540f45b97c81ad398a9df4 /media/libstagefright/Utils.cpp | |
parent | 6a3969cc3bcbfc84dbcc27aa726eb96bc03a830b (diff) | |
download | frameworks_av-9806555d3930be43e11106281dee354820ac1c88.zip frameworks_av-9806555d3930be43e11106281dee354820ac1c88.tar.gz frameworks_av-9806555d3930be43e11106281dee354820ac1c88.tar.bz2 |
Respect channel mask in ACodec and NuPlayer.
Refactor conversion from MetaData into AMessage while we're at it.
Change-Id: I5479129836ea4316e8de28cf1b472bf19e3ac4ab
related-to-bug: 6439076
Diffstat (limited to 'media/libstagefright/Utils.cpp')
-rw-r--r-- | media/libstagefright/Utils.cpp | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/media/libstagefright/Utils.cpp b/media/libstagefright/Utils.cpp index c563ce6..2a16f66 100644 --- a/media/libstagefright/Utils.cpp +++ b/media/libstagefright/Utils.cpp @@ -14,8 +14,18 @@ * limitations under the License. */ +//#define LOG_NDEBUG 0 +#define LOG_TAG "Utils" +#include <utils/Log.h> + +#include "include/ESDS.h" + #include <arpa/inet.h> +#include <media/stagefright/foundation/ABuffer.h> +#include <media/stagefright/foundation/ADebug.h> +#include <media/stagefright/foundation/AMessage.h> +#include <media/stagefright/MetaData.h> #include <media/stagefright/Utils.h> namespace android { @@ -53,5 +63,183 @@ uint64_t hton64(uint64_t x) { return ((uint64_t)htonl(x & 0xffffffff) << 32) | htonl(x >> 32); } +status_t convertMetaDataToMessage( + const sp<MetaData> &meta, sp<AMessage> *format) { + format->clear(); + + const char *mime; + CHECK(meta->findCString(kKeyMIMEType, &mime)); + + sp<AMessage> msg = new AMessage; + msg->setString("mime", mime); + + int64_t durationUs; + if (meta->findInt64(kKeyDuration, &durationUs)) { + msg->setInt64("durationUs", durationUs); + } + + if (!strncasecmp("video/", mime, 6)) { + int32_t width, height; + CHECK(meta->findInt32(kKeyWidth, &width)); + CHECK(meta->findInt32(kKeyHeight, &height)); + + msg->setInt32("width", width); + msg->setInt32("height", height); + } else if (!strncasecmp("audio/", mime, 6)) { + int32_t numChannels, sampleRate; + CHECK(meta->findInt32(kKeyChannelCount, &numChannels)); + CHECK(meta->findInt32(kKeySampleRate, &sampleRate)); + + msg->setInt32("channel-count", numChannels); + msg->setInt32("sample-rate", sampleRate); + + int32_t channelMask; + if (meta->findInt32(kKeyChannelMask, &channelMask)) { + msg->setInt32("channel-mask", channelMask); + } + + int32_t delay = 0; + if (meta->findInt32(kKeyEncoderDelay, &delay)) { + msg->setInt32("encoder-delay", delay); + } + int32_t padding = 0; + if (meta->findInt32(kKeyEncoderPadding, &padding)) { + msg->setInt32("encoder-padding", padding); + } + + int32_t isADTS; + if (meta->findInt32(kKeyIsADTS, &isADTS)) { + msg->setInt32("is-adts", true); + } + } + + int32_t maxInputSize; + if (meta->findInt32(kKeyMaxInputSize, &maxInputSize)) { + msg->setInt32("max-input-size", maxInputSize); + } + + uint32_t type; + const void *data; + size_t size; + if (meta->findData(kKeyAVCC, &type, &data, &size)) { + // Parse the AVCDecoderConfigurationRecord + + const uint8_t *ptr = (const uint8_t *)data; + + CHECK(size >= 7); + CHECK_EQ((unsigned)ptr[0], 1u); // configurationVersion == 1 + uint8_t profile = ptr[1]; + uint8_t level = ptr[3]; + + // There is decodable content out there that fails the following + // assertion, let's be lenient for now... + // CHECK((ptr[4] >> 2) == 0x3f); // reserved + + size_t lengthSize = 1 + (ptr[4] & 3); + + // commented out check below as H264_QVGA_500_NO_AUDIO.3gp + // violates it... + // CHECK((ptr[5] >> 5) == 7); // reserved + + size_t numSeqParameterSets = ptr[5] & 31; + + ptr += 6; + size -= 6; + + sp<ABuffer> buffer = new ABuffer(1024); + buffer->setRange(0, 0); + + for (size_t i = 0; i < numSeqParameterSets; ++i) { + CHECK(size >= 2); + size_t length = U16_AT(ptr); + + ptr += 2; + size -= 2; + + CHECK(size >= length); + + memcpy(buffer->data() + buffer->size(), "\x00\x00\x00\x01", 4); + memcpy(buffer->data() + buffer->size() + 4, ptr, length); + buffer->setRange(0, buffer->size() + 4 + length); + + ptr += length; + size -= length; + } + + buffer->meta()->setInt32("csd", true); + buffer->meta()->setInt64("timeUs", 0); + + msg->setBuffer("csd-0", buffer); + + buffer = new ABuffer(1024); + buffer->setRange(0, 0); + + CHECK(size >= 1); + size_t numPictureParameterSets = *ptr; + ++ptr; + --size; + + for (size_t i = 0; i < numPictureParameterSets; ++i) { + CHECK(size >= 2); + size_t length = U16_AT(ptr); + + ptr += 2; + size -= 2; + + CHECK(size >= length); + + memcpy(buffer->data() + buffer->size(), "\x00\x00\x00\x01", 4); + memcpy(buffer->data() + buffer->size() + 4, ptr, length); + buffer->setRange(0, buffer->size() + 4 + length); + + ptr += length; + size -= length; + } + + buffer->meta()->setInt32("csd", true); + buffer->meta()->setInt64("timeUs", 0); + msg->setBuffer("csd-1", buffer); + } else if (meta->findData(kKeyESDS, &type, &data, &size)) { + ESDS esds((const char *)data, size); + CHECK_EQ(esds.InitCheck(), (status_t)OK); + + const void *codec_specific_data; + size_t codec_specific_data_size; + esds.getCodecSpecificInfo( + &codec_specific_data, &codec_specific_data_size); + + sp<ABuffer> buffer = new ABuffer(codec_specific_data_size); + + memcpy(buffer->data(), codec_specific_data, + codec_specific_data_size); + + buffer->meta()->setInt32("csd", true); + buffer->meta()->setInt64("timeUs", 0); + msg->setBuffer("csd-0", buffer); + } else if (meta->findData(kKeyVorbisInfo, &type, &data, &size)) { + sp<ABuffer> buffer = new ABuffer(size); + memcpy(buffer->data(), data, size); + + buffer->meta()->setInt32("csd", true); + buffer->meta()->setInt64("timeUs", 0); + msg->setBuffer("csd-0", buffer); + + if (!meta->findData(kKeyVorbisBooks, &type, &data, &size)) { + return -EINVAL; + } + + buffer = new ABuffer(size); + memcpy(buffer->data(), data, size); + + buffer->meta()->setInt32("csd", true); + buffer->meta()->setInt64("timeUs", 0); + msg->setBuffer("csd-1", buffer); + } + + *format = msg; + + return OK; +} + } // namespace android |