Merge "h264_enc: Add test"
diff --git a/media/libstagefright/codecs/avc/enc/Android.mk b/media/libstagefright/codecs/avc/enc/Android.mk
index 2ceebc8..d5131cb 100644
--- a/media/libstagefright/codecs/avc/enc/Android.mk
+++ b/media/libstagefright/codecs/avc/enc/Android.mk
@@ -74,3 +74,31 @@
 LOCAL_CFLAGS += -Werror
 
 include $(BUILD_SHARED_LIBRARY)
+
+################################################################################
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+        test/h264_enc_test.cpp
+
+LOCAL_C_INCLUDES := \
+        $(LOCAL_PATH)/src \
+        $(LOCAL_PATH)/include \
+        $(LOCAL_PATH)/../common/include \
+        $(LOCAL_PATH)/../common
+
+LOCAL_CFLAGS := \
+    -DOSCL_IMPORT_REF= -DOSCL_UNUSED_ARG= -DOSCL_EXPORT_REF=
+
+LOCAL_STATIC_LIBRARIES := \
+        libstagefright_avcenc
+
+LOCAL_SHARED_LIBRARIES := \
+        libstagefright_avc_common
+
+LOCAL_MODULE := libstagefright_h264enc_test
+
+LOCAL_MODULE_TAGS := tests
+
+include $(BUILD_EXECUTABLE)
diff --git a/media/libstagefright/codecs/avc/enc/test/h264_enc_test.cpp b/media/libstagefright/codecs/avc/enc/test/h264_enc_test.cpp
new file mode 100644
index 0000000..7a782a8
--- /dev/null
+++ b/media/libstagefright/codecs/avc/enc/test/h264_enc_test.cpp
@@ -0,0 +1,357 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include "avcenc_api.h"
+#include "avcenc_int.h"
+
+// Constants.
+enum {
+    kMaxWidth         = 720,
+    kMaxHeight        = 480,
+    kMaxFrameRate     = 30,
+    kMaxBitrate       = 2048, // in kbps.
+    kInputBufferSize  = (kMaxWidth * kMaxHeight * 3) / 2, // For YUV 420 format.
+    kOutputBufferSize = kInputBufferSize,
+    kMaxDpbBuffers    = 17,
+    kIDRFrameRefreshIntervalInSec = 1,
+};
+
+
+static void *MallocCb(void * /*userData*/, int32_t size, int32_t /*attrs*/) {
+    void *ptr = calloc(size, 1);
+    return ptr;
+}
+
+static void FreeCb(void * /*userData*/, void *ptr) {
+    free(ptr);
+}
+
+static int32_t DpbAllocCb(void * /*userData*/,
+        unsigned int sizeInMbs, unsigned int numBuffers) {
+
+    size_t frameSize = (sizeInMbs << 7) * 3;
+    if(numBuffers < kMaxDpbBuffers && frameSize <= kInputBufferSize) {
+        return 1;
+    } else {
+        return 0;
+    }
+}
+
+static int32_t BindFrameCb(void *userData, int32_t index, uint8_t **yuv) {
+     assert(index < kMaxDpbBuffers);
+     uint8_t** dpbBuffer = static_cast<uint8_t**>(userData);
+     *yuv = dpbBuffer[index];
+     return 1;
+}
+
+static void UnbindFrameCb(void * /*userData*/, int32_t /*index*/) {
+}
+
+int main(int argc, char *argv[]) {
+
+    if (argc < 7) {
+        fprintf(stderr, "Usage %s <input yuv> <output file> <width> <height>"
+                        " <frame rate> <bitrate in kbps>\n", argv[0]);
+        fprintf(stderr, "Max width %d\n", kMaxWidth);
+        fprintf(stderr, "Max height %d\n", kMaxHeight);
+        fprintf(stderr, "Max framerate %d\n", kMaxFrameRate);
+        fprintf(stderr, "Max bitrate %d kbps\n", kMaxBitrate);
+        return EXIT_FAILURE;
+    }
+
+    // Read height and width.
+    int32_t width;
+    int32_t height;
+    width = atoi(argv[3]);
+    height = atoi(argv[4]);
+    if (width > kMaxWidth || height > kMaxHeight || width <= 0 || height <= 0) {
+        fprintf(stderr, "Unsupported dimensions %dx%d\n", width, height);
+        return EXIT_FAILURE;
+    }
+
+    if (width % 16 != 0 || height % 16 != 0) {
+        fprintf(stderr, "Video frame size %dx%d must be a multiple of 16\n",
+            width, height);
+        return EXIT_FAILURE;
+    }
+
+    // Read frame rate.
+    int32_t frameRate;
+    frameRate = atoi(argv[5]);
+    if (frameRate > kMaxFrameRate || frameRate <= 0) {
+        fprintf(stderr, "Unsupported frame rate %d\n", frameRate);
+        return EXIT_FAILURE;
+    }
+
+    // Read bit rate.
+    int32_t bitrate;
+    bitrate = atoi(argv[6]);
+    if (bitrate > kMaxBitrate || bitrate <= 0) {
+        fprintf(stderr, "Unsupported bitrate %d\n", bitrate);
+        return EXIT_FAILURE;
+    }
+    bitrate *= 1024; // kbps to bps.
+
+    // Open the input file.
+    FILE *fpInput = fopen(argv[1], "rb");
+    if (!fpInput) {
+        fprintf(stderr, "Could not open %s\n", argv[1]);
+        return EXIT_FAILURE;
+    }
+
+    // Open the output file.
+    FILE *fpOutput = fopen(argv[2], "wb");
+    if (!fpOutput) {
+        fprintf(stderr, "Could not open %s\n", argv[2]);
+        fclose(fpInput);
+        return EXIT_FAILURE;
+    }
+
+    // Allocate input buffer.
+    uint8_t *inputBuf = (uint8_t *)malloc(kInputBufferSize);
+    assert(inputBuf != NULL);
+
+    // Allocate output buffer.
+    uint8_t *outputBuf = (uint8_t *)malloc(kOutputBufferSize);
+    assert(outputBuf != NULL);
+
+    // Allocate dpb buffers.
+    uint8_t * dpbBuffers[kMaxDpbBuffers];
+    for (int i = 0; i < kMaxDpbBuffers; ++i) {
+        dpbBuffers[i] = (uint8_t *)malloc(kInputBufferSize);
+        assert(dpbBuffers[i] != NULL);
+    }
+
+    // Initialize the encoder parameters.
+    tagAVCEncParam encParams;
+    memset(&encParams, 0, sizeof(tagAVCEncParam));
+    encParams.rate_control = AVC_ON;
+    encParams.initQP = 0;
+    encParams.init_CBP_removal_delay = 1600;
+
+    encParams.intramb_refresh = 0;
+    encParams.auto_scd = AVC_ON;
+    encParams.out_of_band_param_set = AVC_ON;
+    encParams.poc_type = 2;
+    encParams.log2_max_poc_lsb_minus_4 = 12;
+    encParams.delta_poc_zero_flag = 0;
+    encParams.offset_poc_non_ref = 0;
+    encParams.offset_top_bottom = 0;
+    encParams.num_ref_in_cycle = 0;
+    encParams.offset_poc_ref = NULL;
+
+    encParams.num_ref_frame = 1;
+    encParams.num_slice_group = 1;
+    encParams.fmo_type = 0;
+
+    encParams.db_filter = AVC_ON;
+    encParams.disable_db_idc = 0;
+
+    encParams.alpha_offset = 0;
+    encParams.beta_offset = 0;
+    encParams.constrained_intra_pred = AVC_OFF;
+
+    encParams.data_par = AVC_OFF;
+    encParams.fullsearch = AVC_OFF;
+    encParams.search_range = 16;
+    encParams.sub_pel = AVC_OFF;
+    encParams.submb_pred = AVC_OFF;
+    encParams.rdopt_mode = AVC_OFF;
+    encParams.bidir_pred = AVC_OFF;
+
+    encParams.use_overrun_buffer = AVC_OFF;
+
+    encParams.width = width;
+    encParams.height = height;
+    encParams.bitrate = bitrate;
+    encParams.frame_rate = 1000 * frameRate;  // In frames/ms.
+    encParams.CPB_size = (uint32_t) (bitrate >> 1);
+
+    int32_t  IDRFrameRefreshIntervalInSec = kIDRFrameRefreshIntervalInSec;
+    if (IDRFrameRefreshIntervalInSec == 0) {
+        encParams.idr_period = 1;  // All I frames.
+    } else {
+        encParams.idr_period = (IDRFrameRefreshIntervalInSec * frameRate);
+    }
+
+    int32_t nMacroBlocks = ((((width + 15) >> 4) << 4) *
+            (((height + 15) >> 4) << 4)) >> 8;
+    uint32_t *sliceGroup = (uint32_t *) malloc(sizeof(uint32_t) * nMacroBlocks);
+    assert(sliceGroup != NULL);
+    for (int i = 0, idx = 0; i < nMacroBlocks; ++i) {
+        sliceGroup[i] = idx++;
+        if (idx >= encParams.num_slice_group) {
+            idx = 0;
+        }
+    }
+    encParams.slice_group = sliceGroup;
+    encParams.profile = AVC_BASELINE;
+    encParams.level = AVC_LEVEL2;
+
+    // Initialize the handle.
+    tagAVCHandle handle;
+    memset(&handle, 0, sizeof(tagAVCHandle));
+    handle.AVCObject = NULL;
+    handle.userData = dpbBuffers;
+    handle.CBAVC_DPBAlloc = DpbAllocCb;
+    handle.CBAVC_FrameBind = BindFrameCb;
+    handle.CBAVC_FrameUnbind = UnbindFrameCb;
+    handle.CBAVC_Malloc = MallocCb;
+    handle.CBAVC_Free = FreeCb;
+
+    // Initialize the encoder.
+    AVCEnc_Status status;
+    status = PVAVCEncInitialize(&handle, &encParams, NULL, NULL);
+    if (status != AVCENC_SUCCESS) {
+        fprintf(stderr, "Failed to initialize the encoder\n");
+
+        // Release resources.
+        fclose(fpInput);
+        fclose(fpOutput);
+        free(sliceGroup);
+        free(inputBuf);
+        free(outputBuf);
+        for (int i = 0; i < kMaxDpbBuffers; ++i) {
+            free(dpbBuffers[i]);
+        }
+        return EXIT_FAILURE;
+    }
+
+    // Encode Sequence Parameter Set.
+    uint32_t dataLength = kOutputBufferSize;
+    int32_t type;
+    status = PVAVCEncodeNAL(&handle, outputBuf, &dataLength, &type);
+    assert(type == AVC_NALTYPE_SPS);
+    fwrite("\x00\x00\x00\x01", 1, 4, fpOutput); // Start Code.
+    fwrite(outputBuf, 1, dataLength, fpOutput); // SPS.
+
+    // Encode Picture Paramater Set.
+    dataLength = kOutputBufferSize;
+    status = PVAVCEncodeNAL(&handle, outputBuf, &dataLength, &type);
+    assert(type == AVC_NALTYPE_PPS);
+    fwrite("\x00\x00\x00\x01", 1, 4, fpOutput); // Start Code.
+    fwrite(outputBuf, 1, dataLength, fpOutput); // PPS.
+
+    // Core loop.
+    int32_t retVal = EXIT_SUCCESS;
+    int32_t frameSize = (width * height * 3) / 2;
+    int32_t numInputFrames = 0;
+    int32_t numNalEncoded = 0;
+    bool readyForNextFrame = true;
+
+    while (1) {
+        if (readyForNextFrame == true) {
+            // Read the input frame.
+            int32_t bytesRead;
+            bytesRead = fread(inputBuf, 1, frameSize, fpInput);
+            if (bytesRead != frameSize) {
+                break; // End of file.
+            }
+
+            // Set the input frame.
+            AVCFrameIO vin;
+            memset(&vin, 0, sizeof(vin));
+            vin.height = ((height + 15) >> 4) << 4;
+            vin.pitch  = ((width  + 15) >> 4) << 4;
+            vin.coding_timestamp = (numInputFrames * 1000) / frameRate;  // in ms
+            vin.YCbCr[0] = inputBuf;
+            vin.YCbCr[1] = vin.YCbCr[0] + vin.height * vin.pitch;
+            vin.YCbCr[2] = vin.YCbCr[1] + ((vin.height * vin.pitch) >> 2);
+            vin.disp_order = numInputFrames;
+
+            status = PVAVCEncSetInput(&handle, &vin);
+            if (status == AVCENC_SUCCESS || status == AVCENC_NEW_IDR) {
+                readyForNextFrame = false;
+                ++numInputFrames;
+            } else if (status < AVCENC_SUCCESS) {
+                fprintf(stderr, "Error %d while setting input frame\n", status);
+                retVal = EXIT_FAILURE;
+                break;
+            } else {
+                fprintf(stderr, "Frame drop\n");
+                readyForNextFrame = true;
+                ++numInputFrames;
+                continue;
+            }
+        }
+
+        // Encode the input frame.
+        dataLength = kOutputBufferSize;
+        status = PVAVCEncodeNAL(&handle, outputBuf, &dataLength, &type);
+        if (status == AVCENC_SUCCESS) {
+            PVAVCEncGetOverrunBuffer(&handle);
+        } else if (status == AVCENC_PICTURE_READY) {
+            PVAVCEncGetOverrunBuffer(&handle);
+            readyForNextFrame = true;
+            AVCFrameIO recon;
+            if (PVAVCEncGetRecon(&handle, &recon) == AVCENC_SUCCESS) {
+                PVAVCEncReleaseRecon(&handle, &recon);
+            }
+        } else {
+            dataLength = 0;
+            readyForNextFrame = true;
+        }
+
+        if (status < AVCENC_SUCCESS) {
+            fprintf(stderr, "Error %d while encoding frame\n", status);
+            retVal = EXIT_FAILURE;
+            break;
+        }
+
+        numNalEncoded++;
+
+        // Write the output.
+        if (dataLength > 0) {
+            fwrite("\x00\x00\x00\x01", 1, 4, fpOutput); // Start Code.
+            fwrite(outputBuf, 1, dataLength, fpOutput); // NAL.
+            printf("NAL %d of size %d written\n", numNalEncoded, dataLength + 4);
+        }
+    }
+
+    // Close input and output file.
+    fclose(fpInput);
+    fclose(fpOutput);
+
+    // Free allocated memory.
+    free(sliceGroup);
+    free(inputBuf);
+    free(outputBuf);
+    for (int i = 0; i < kMaxDpbBuffers; ++i) {
+        free(dpbBuffers[i]);
+    }
+
+    // Close encoder instance.
+    PVAVCCleanUpEncoder(&handle);
+
+    return retVal;
+}