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| static int mediacodec_encode_header(AMediaCodec* codec, AMediaFormat* format);
static int mediacodec_encode_receive_packet(AMediaCodec* codec);
static void mediacodec_encode_send_frame(AMediaCodec* codec);
void TestRun() {
AMediaCodec* codec = NULL;
AMediaFormat* format = NULL;
do {
const char* mime = "video/avc";
codec = AMediaCodec_createEncoderByType(mime);
if (!codec) {
break;
}
format = AMediaFormat_new();
if (!format) {
break;
}
AMediaFormat_setString(format, AMEDIAFORMAT_KEY_MIME, "video/avc");
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_HEIGHT, 720);
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_WIDTH, 1280);
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_COLOR_FORMAT, 21);//19 yuv420p 21 nv12
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_I_FRAME_INTERVAL, 1);//FIXME
AMediaFormat_setInt32(format, AMEDIAFORMAT_KEY_BIT_RATE, 2000000);
AMediaFormat_setFloat(format, AMEDIAFORMAT_KEY_FRAME_RATE, 25);
AMediaFormat_setInt32(format, "bitrate-mode", 1);
LOGI("%s %d format: %s", __FUNCTION__, __LINE__, AMediaFormat_toString(format));
mediacodec_encode_header(codec, format);
media_status_t status = AMEDIA_OK;
if ((status = AMediaCodec_configure(codec, format, NULL, 0, AMEDIACODEC_CONFIGURE_FLAG_ENCODE)) != AMEDIA_OK) {
LOGI("%s %d status: %d", __FUNCTION__, __LINE__, status);
break;
}
status = AMediaCodec_start(codec);
if (status != AMEDIA_OK) {
LOGI("%s %d status: %d", __FUNCTION__, __LINE__, status);
break;
}
int cnt = 10;
while (cnt -- ) {
mediacodec_encode_send_frame(codec);
mediacodec_encode_receive_packet(codec);
usleep(10000);
}
LOGI("%s %d", __FUNCTION__, __LINE__);
} while (false);
if (format) {
AMediaFormat_delete(format);
}
if (codec) {
AMediaCodec_stop(codec);
AMediaCodec_delete(codec);
}
}
static void mediacodec_encode_send_frame(AMediaCodec* codec) {
ssize_t bufferIndex = AMediaCodec_dequeueInputBuffer(codec, TIMEOUT_USEC);
if (bufferIndex < 0) {
LOGE("%s %d No input buffers available (%d)", __FUNCTION__, __LINE__, bufferIndex);
return;
}
size_t bufferSize = 0;
uint8_t* buffer = AMediaCodec_getInputBuffer(codec, bufferIndex, &bufferSize);
if (!buffer) {
LOGE("%s %d AMediaCodec_getInputBuffer failed idx: %d !", __FUNCTION__, __LINE__, bufferIndex);
return;
}
static uint64_t stamp = 0;
media_status_t status = AMediaCodec_queueInputBuffer(codec, bufferIndex, 0, bufferSize, stamp, 0);
stamp += 30000;
LOGI("%s %d buffInfo (idx: %u size: %u)", __FUNCTION__, __LINE__, bufferIndex, bufferSize);
}
static int mediacodec_encode_receive_packet(AMediaCodec* codec) {
int try_times = 5;
while (try_times --) {
int buff_idx = -1;
do {
AMediaCodecBufferInfo bufferInfo;
buff_idx = AMediaCodec_dequeueOutputBuffer(codec, &bufferInfo, TIMEOUT_USEC);
if (buff_idx < 0) {
if (buff_idx != AMEDIACODEC_INFO_TRY_AGAIN_LATER) {
//AMEDIACODEC_INFO_OUTPUT_BUFFERS_CHANGED = -3,
// AMEDIACODEC_INFO_OUTPUT_FORMAT_CHANGED = -2,
LOGE("%s %d AMediaCodec_dequeueOutputBuffer idx: %d", __FUNCTION__, __LINE__, buff_idx);
}
break;
}
if (bufferInfo.flags & AMEDIACODEC_BUFFER_FLAG_END_OF_STREAM) {
LOGE("%s %d Got EOS at output", __FUNCTION__, __LINE__);
break;
}
size_t buff_size = 0;
uint8_t *buffer = AMediaCodec_getOutputBuffer(codec, buff_idx, &buff_size);
if (!buffer) {
LOGE("%s %d AMediaCodec_getOutputBuffer failed, flags: %d status: %d size: %u",
__FUNCTION__, __LINE__, bufferInfo.flags, buff_idx, buff_size);
break;
}
bool config_frame = bufferInfo.flags & LOCAL_BUFFER_FLAG_CODECCONFIG ? true : false;
bool key_frame = bufferInfo.flags & LOCAL_BUFFER_FLAG_SYNCFRAME ? true : false;
LOGI("%s %d AMediaCodec OutputBuffer idx: %d outsize: %u flags: %d offset: %d size: %d pts: %lld nalu: [%x %x %x %x %x %x]",
__FUNCTION__, __LINE__, buff_idx, buff_size, bufferInfo.flags, bufferInfo.offset,
bufferInfo.size, bufferInfo.presentationTimeUs, buffer[0], buffer[1], buffer[2],
buffer[3], buffer[4], buffer[5]);
} while (false);
if (buff_idx >= 0) {
AMediaCodec_releaseOutputBuffer(codec, buff_idx, false);
}
}
return 0;
}
int mediacodec_encode_header(AMediaCodec* codec, AMediaFormat* format) {
int ret = -1;
do {
media_status_t status = AMEDIA_OK;
if ((status = AMediaCodec_configure(codec, format, NULL, 0, AMEDIACODEC_CONFIGURE_FLAG_ENCODE)) != AMEDIA_OK) {
LOGI("%s %d status: %d", __FUNCTION__, __LINE__, status);
break;
}
status = AMediaCodec_start(codec);
if (status != AMEDIA_OK) {
LOGI("%s %d status: %d", __FUNCTION__, __LINE__, status);
break;
}
LOGI("%s %d", __FUNCTION__, __LINE__);
mediacodec_encode_send_frame(codec);
mediacodec_encode_receive_packet(codec);
LOGI("%s %d", __FUNCTION__, __LINE__);
ret = 0;
} while (false);
LOGI("%s %d", __FUNCTION__, __LINE__);
// AMediaCodec_flush(codec);
AMediaCodec_stop(codec);
LOGI("%s %d", __FUNCTION__, __LINE__);
return -1;
}
|
