| #include <log/log.h> |
| |
| #include <linux/types.h> |
| #include <linux/ioctl.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/mman.h> |
| #include <sys/ioctl.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <cstdlib> |
| #include <string> |
| #include <errno.h> |
| #include "goldfish_vpx_defs.h" |
| #include "goldfish_media_utils.h" |
| |
| #include <memory> |
| #include <mutex> |
| #include <vector> |
| |
| #define DEBUG 0 |
| #if DEBUG |
| #define DDD(...) ALOGD(__VA_ARGS__) |
| #else |
| #define DDD(...) ((void)0) |
| #endif |
| |
| // static vpx_image_t myImg; |
| static uint64_t s_CtxId = 0; |
| static std::mutex sCtxidMutex; |
| |
| static uint64_t applyForOneId() { |
| DDD("%s %d", __func__, __LINE__); |
| std::lock_guard<std::mutex> g{sCtxidMutex}; |
| ++s_CtxId; |
| return s_CtxId; |
| } |
| |
| static void sendVpxOperation(vpx_codec_ctx_t* ctx, MediaOperation op) { |
| DDD("%s %d", __func__, __LINE__); |
| if (ctx->memory_slot < 0) { |
| ALOGE("ERROR: Failed %s %d: there is no memory slot", __func__, |
| __LINE__); |
| } |
| auto transport = GoldfishMediaTransport::getInstance(); |
| transport->sendOperation(ctx->vpversion == 9 ? MediaCodecType::VP9Codec |
| : MediaCodecType::VP8Codec, |
| op, ctx->address_offset); |
| } |
| |
| int vpx_codec_destroy(vpx_codec_ctx_t* ctx) { |
| DDD("%s %d", __func__, __LINE__); |
| auto transport = GoldfishMediaTransport::getInstance(); |
| transport->writeParam(ctx->id, 0, ctx->address_offset); |
| sendVpxOperation(ctx, MediaOperation::DestroyContext); |
| transport->returnMemorySlot(ctx->memory_slot); |
| ctx->memory_slot = -1; |
| return 0; |
| } |
| |
| int vpx_codec_dec_init(vpx_codec_ctx_t* ctx) { |
| DDD("%s %d", __func__, __LINE__); |
| auto transport = GoldfishMediaTransport::getInstance(); |
| int slot = transport->getMemorySlot(); |
| if (slot < 0) { |
| ALOGE("ERROR: Failed %s %d: cannot get memory slot", __func__, |
| __LINE__); |
| return -1; |
| } else { |
| DDD("got slot %d", slot); |
| } |
| ctx->id = applyForOneId(); |
| ctx->memory_slot = slot; |
| ctx->address_offset = static_cast<unsigned int>(slot) * 8 * (1 << 20); |
| DDD("got address offset 0x%x version %d", (int)(ctx->address_offset), |
| ctx->version); |
| |
| // data and dst are on the host side actually |
| ctx->data = transport->getInputAddr(ctx->address_offset); |
| ctx->dst = transport->getInputAddr( |
| ctx->address_offset); // re-use input address |
| transport->writeParam(ctx->id, 0, ctx->address_offset); |
| transport->writeParam(ctx->version, 1, ctx->address_offset); |
| sendVpxOperation(ctx, MediaOperation::InitContext); |
| return 0; |
| } |
| |
| static int getReturnCode(uint8_t* ptr) { |
| int* pint = (int*)(ptr); |
| return *pint; |
| } |
| |
| // vpx_image_t myImg; |
| static void getVpxFrame(uint8_t* ptr, vpx_image_t& myImg) { |
| DDD("%s %d", __func__, __LINE__); |
| uint8_t* imgptr = (ptr + 8); |
| myImg.fmt = *(vpx_img_fmt_t*)imgptr; |
| imgptr += 8; |
| myImg.d_w = *(unsigned int *)imgptr; |
| imgptr += 8; |
| myImg.d_h = *(unsigned int *)imgptr; |
| imgptr += 8; |
| myImg.user_priv = (void*)(*(uint64_t*)imgptr); |
| DDD("fmt %d dw %d dh %d userpriv %p", (int)myImg.fmt, (int)myImg.d_w, |
| (int)myImg.d_h, myImg.user_priv); |
| } |
| |
| //TODO: we might not need to do the putting all the time |
| vpx_image_t* vpx_codec_get_frame(vpx_codec_ctx_t* ctx, int hostColorBufferId) { |
| DDD("%s %d %p", __func__, __LINE__); |
| auto transport = GoldfishMediaTransport::getInstance(); |
| |
| transport->writeParam(ctx->id, 0, ctx->address_offset); |
| transport->writeParam(ctx->outputBufferWidth, 1, ctx->address_offset); |
| transport->writeParam(ctx->outputBufferHeight, 2, ctx->address_offset); |
| transport->writeParam(ctx->width, 3, ctx->address_offset); |
| transport->writeParam(ctx->height, 4, ctx->address_offset); |
| transport->writeParam(ctx->bpp, 5, ctx->address_offset); |
| transport->writeParam(ctx->hostColorBufferId, 6, ctx->address_offset); |
| transport->writeParam( |
| transport->offsetOf((uint64_t)(ctx->dst)) - ctx->address_offset, 7, |
| ctx->address_offset); |
| |
| sendVpxOperation(ctx, MediaOperation::GetImage); |
| |
| auto* retptr = transport->getReturnAddr(ctx->address_offset); |
| int ret = getReturnCode(retptr); |
| if (ret) { |
| return nullptr; |
| } |
| getVpxFrame(retptr, ctx->myImg); |
| return &(ctx->myImg); |
| } |
| |
| int vpx_codec_flush(vpx_codec_ctx_t* ctx) { |
| DDD("%s %d", __func__, __LINE__); |
| auto transport = GoldfishMediaTransport::getInstance(); |
| transport->writeParam(ctx->id, 0, ctx->address_offset); |
| sendVpxOperation(ctx, MediaOperation::Flush); |
| return 0; |
| } |
| |
| int vpx_codec_decode(vpx_codec_ctx_t *ctx, |
| const uint8_t* data, |
| unsigned int data_sz, |
| void* user_priv, |
| long deadline) { |
| DDD("%s %d data size %d userpriv %p", __func__, __LINE__, (int)data_sz, |
| user_priv); |
| auto transport = GoldfishMediaTransport::getInstance(); |
| memcpy(ctx->data, data, data_sz); |
| |
| transport->writeParam(ctx->id, 0, ctx->address_offset); |
| transport->writeParam( |
| transport->offsetOf((uint64_t)(ctx->data)) - ctx->address_offset, 1, |
| ctx->address_offset); |
| transport->writeParam((__u64)data_sz, 2, ctx->address_offset); |
| transport->writeParam((__u64)user_priv, 3, ctx->address_offset); |
| sendVpxOperation(ctx, MediaOperation::DecodeImage); |
| return 0; |
| } |