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fix: mpp 性能优化和修复

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- mjpeg-->h265 mpp 编码速度优化
- 修复 mpp 编码后的视频 rustdesk 无法解码问题
- 更新版本号为 v0.1.2
This commit is contained in:
mofeng
2026-01-27 17:06:47 +08:00
parent 1786b7689d
commit 9193c54f86
17 changed files with 300 additions and 123 deletions
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20
libs/hwcodec/cpp/ffmpeg_hw/ffmpeg_hw_ffi.h
View File

@@ -6,9 +6,11 @@
extern "C" {
#endif
typedef struct FfmpegHwMjpegH264 FfmpegHwMjpegH264;
// MJPEG -> H26x (H.264 / H.265) hardware pipeline
typedef struct FfmpegHwMjpegH26x FfmpegHwMjpegH26x;
FfmpegHwMjpegH264* ffmpeg_hw_mjpeg_h264_new(const char* dec_name,
// Create a new MJPEG -> H26x pipeline.
FfmpegHwMjpegH26x* ffmpeg_hw_mjpeg_h26x_new(const char* dec_name,
const char* enc_name,
int width,
int height,
@@ -17,7 +19,8 @@ FfmpegHwMjpegH264* ffmpeg_hw_mjpeg_h264_new(const char* dec_name,
int gop,
int thread_count);
int ffmpeg_hw_mjpeg_h264_encode(FfmpegHwMjpegH264* ctx,
// Encode one MJPEG frame. Returns 1 if output produced, 0 if no output, <0 on error.
int ffmpeg_hw_mjpeg_h26x_encode(FfmpegHwMjpegH26x* ctx,
const uint8_t* data,
int len,
int64_t pts_ms,
@@ -25,16 +28,21 @@ int ffmpeg_hw_mjpeg_h264_encode(FfmpegHwMjpegH264* ctx,
int* out_len,
int* out_keyframe);
int ffmpeg_hw_mjpeg_h264_reconfigure(FfmpegHwMjpegH264* ctx,
// Reconfigure bitrate/gop (best-effort, may recreate encoder internally).
int ffmpeg_hw_mjpeg_h26x_reconfigure(FfmpegHwMjpegH26x* ctx,
int bitrate_kbps,
int gop);
int ffmpeg_hw_mjpeg_h264_request_keyframe(FfmpegHwMjpegH264* ctx);
// Request next frame to be a keyframe.
int ffmpeg_hw_mjpeg_h26x_request_keyframe(FfmpegHwMjpegH26x* ctx);
void ffmpeg_hw_mjpeg_h264_free(FfmpegHwMjpegH264* ctx);
// Free pipeline resources.
void ffmpeg_hw_mjpeg_h26x_free(FfmpegHwMjpegH26x* ctx);
// Free packet buffer allocated by ffmpeg_hw_mjpeg_h26x_encode.
void ffmpeg_hw_packet_free(uint8_t* data);
// Get last error message (thread-local).
const char* ffmpeg_hw_last_error(void);
#ifdef __cplusplus

66
libs/hwcodec/cpp/ffmpeg_hw/ffmpeg_hw_mjpeg_h264.cpp → libs/hwcodec/cpp/ffmpeg_hw/ffmpeg_hw_mjpeg_h26x.cpp
View File

@@ -35,7 +35,7 @@ static const char* pix_fmt_name(AVPixelFormat fmt) {
return name ? name : "unknown";
}
struct FfmpegHwMjpegH264Ctx {
struct FfmpegHwMjpegH26xCtx {
AVCodecContext *dec_ctx = nullptr;
AVCodecContext *enc_ctx = nullptr;
AVPacket *dec_pkt = nullptr;
@@ -48,6 +48,8 @@ struct FfmpegHwMjpegH264Ctx {
std::string enc_name;
int width = 0;
int height = 0;
int aligned_width = 0;
int aligned_height = 0;
int fps = 30;
int bitrate_kbps = 2000;
int gop = 60;
@@ -57,7 +59,7 @@ struct FfmpegHwMjpegH264Ctx {
static enum AVPixelFormat get_hw_format(AVCodecContext *ctx,
const enum AVPixelFormat *pix_fmts) {
auto *self = reinterpret_cast<FfmpegHwMjpegH264Ctx *>(ctx->opaque);
auto *self = reinterpret_cast<FfmpegHwMjpegH26xCtx *>(ctx->opaque);
if (self && self->hw_pixfmt != AV_PIX_FMT_NONE) {
const enum AVPixelFormat *p;
for (p = pix_fmts; *p != AV_PIX_FMT_NONE; p++) {
@@ -69,7 +71,7 @@ static enum AVPixelFormat get_hw_format(AVCodecContext *ctx,
return pix_fmts[0];
}
static int init_decoder(FfmpegHwMjpegH264Ctx *ctx) {
static int init_decoder(FfmpegHwMjpegH26xCtx *ctx) {
const AVCodec *dec = avcodec_find_decoder_by_name(ctx->dec_name.c_str());
if (!dec) {
set_last_error("Decoder not found: " + ctx->dec_name);
@@ -127,7 +129,7 @@ static int init_decoder(FfmpegHwMjpegH264Ctx *ctx) {
return 0;
}
static int init_encoder(FfmpegHwMjpegH264Ctx *ctx, AVBufferRef *frames_ctx) {
static int init_encoder(FfmpegHwMjpegH26xCtx *ctx, AVBufferRef *frames_ctx) {
const AVCodec *enc = avcodec_find_encoder_by_name(ctx->enc_name.c_str());
if (!enc) {
set_last_error("Encoder not found: " + ctx->enc_name);
@@ -142,6 +144,10 @@ static int init_encoder(FfmpegHwMjpegH264Ctx *ctx, AVBufferRef *frames_ctx) {
ctx->enc_ctx->width = ctx->width;
ctx->enc_ctx->height = ctx->height;
ctx->enc_ctx->coded_width = ctx->width;
ctx->enc_ctx->coded_height = ctx->height;
ctx->aligned_width = ctx->width;
ctx->aligned_height = ctx->height;
ctx->enc_ctx->time_base = AVRational{1, 1000};
ctx->enc_ctx->framerate = AVRational{ctx->fps, 1};
ctx->enc_ctx->bit_rate = (int64_t)ctx->bitrate_kbps * 1000;
@@ -155,8 +161,14 @@ static int init_encoder(FfmpegHwMjpegH264Ctx *ctx, AVBufferRef *frames_ctx) {
if (hwfc) {
ctx->enc_ctx->pix_fmt = static_cast<AVPixelFormat>(hwfc->format);
ctx->enc_ctx->sw_pix_fmt = static_cast<AVPixelFormat>(hwfc->sw_format);
if (hwfc->width > 0) ctx->enc_ctx->width = hwfc->width;
if (hwfc->height > 0) ctx->enc_ctx->height = hwfc->height;
if (hwfc->width > 0) {
ctx->aligned_width = hwfc->width;
ctx->enc_ctx->coded_width = hwfc->width;
}
if (hwfc->height > 0) {
ctx->aligned_height = hwfc->height;
ctx->enc_ctx->coded_height = hwfc->height;
}
}
ctx->hw_frames_ctx = av_buffer_ref(frames_ctx);
ctx->enc_ctx->hw_frames_ctx = av_buffer_ref(frames_ctx);
@@ -167,7 +179,11 @@ static int init_encoder(FfmpegHwMjpegH264Ctx *ctx, AVBufferRef *frames_ctx) {
AVDictionary *opts = nullptr;
av_dict_set(&opts, "rc_mode", "CBR", 0);
av_dict_set(&opts, "profile", "high", 0);
if (enc->id == AV_CODEC_ID_H264) {
av_dict_set(&opts, "profile", "high", 0);
} else if (enc->id == AV_CODEC_ID_HEVC) {
av_dict_set(&opts, "profile", "main", 0);
}
av_dict_set_int(&opts, "qp_init", 23, 0);
av_dict_set_int(&opts, "qp_max", 48, 0);
av_dict_set_int(&opts, "qp_min", 0, 0);
@@ -195,7 +211,7 @@ static int init_encoder(FfmpegHwMjpegH264Ctx *ctx, AVBufferRef *frames_ctx) {
return 0;
}
static void free_encoder(FfmpegHwMjpegH264Ctx *ctx) {
static void free_encoder(FfmpegHwMjpegH26xCtx *ctx) {
if (ctx->enc_ctx) {
avcodec_free_context(&ctx->enc_ctx);
ctx->enc_ctx = nullptr;
@@ -208,7 +224,7 @@ static void free_encoder(FfmpegHwMjpegH264Ctx *ctx) {
} // namespace
extern "C" FfmpegHwMjpegH264* ffmpeg_hw_mjpeg_h264_new(const char* dec_name,
extern "C" FfmpegHwMjpegH26x* ffmpeg_hw_mjpeg_h26x_new(const char* dec_name,
const char* enc_name,
int width,
int height,
@@ -217,11 +233,11 @@ extern "C" FfmpegHwMjpegH264* ffmpeg_hw_mjpeg_h264_new(const char* dec_name,
int gop,
int thread_count) {
if (!dec_name || !enc_name || width <= 0 || height <= 0) {
set_last_error("Invalid parameters for ffmpeg_hw_mjpeg_h264_new");
set_last_error("Invalid parameters for ffmpeg_hw_mjpeg_h26x_new");
return nullptr;
}
auto *ctx = new FfmpegHwMjpegH264Ctx();
auto *ctx = new FfmpegHwMjpegH26xCtx();
ctx->dec_name = dec_name;
ctx->enc_name = enc_name;
ctx->width = width;
@@ -232,14 +248,14 @@ extern "C" FfmpegHwMjpegH264* ffmpeg_hw_mjpeg_h264_new(const char* dec_name,
ctx->thread_count = thread_count > 0 ? thread_count : 1;
if (init_decoder(ctx) != 0) {
ffmpeg_hw_mjpeg_h264_free(reinterpret_cast<FfmpegHwMjpegH264*>(ctx));
ffmpeg_hw_mjpeg_h26x_free(reinterpret_cast<FfmpegHwMjpegH26x*>(ctx));
return nullptr;
}
return reinterpret_cast<FfmpegHwMjpegH264*>(ctx);
return reinterpret_cast<FfmpegHwMjpegH26x*>(ctx);
}
extern "C" int ffmpeg_hw_mjpeg_h264_encode(FfmpegHwMjpegH264* handle,
extern "C" int ffmpeg_hw_mjpeg_h26x_encode(FfmpegHwMjpegH26x* handle,
const uint8_t* data,
int len,
int64_t pts_ms,
@@ -251,7 +267,7 @@ extern "C" int ffmpeg_hw_mjpeg_h264_encode(FfmpegHwMjpegH264* handle,
return -1;
}
auto *ctx = reinterpret_cast<FfmpegHwMjpegH264Ctx*>(handle);
auto *ctx = reinterpret_cast<FfmpegHwMjpegH26xCtx*>(handle);
*out_data = nullptr;
*out_len = 0;
*out_keyframe = 0;
@@ -310,6 +326,14 @@ extern "C" int ffmpeg_hw_mjpeg_h264_encode(FfmpegHwMjpegH264* handle,
ctx->force_keyframe = false;
}
// Apply visible size crop if aligned buffer is larger than display size
if (ctx->aligned_width > 0 && ctx->width > 0 && ctx->aligned_width > ctx->width) {
send_frame->crop_right = ctx->aligned_width - ctx->width;
}
if (ctx->aligned_height > 0 && ctx->height > 0 && ctx->aligned_height > ctx->height) {
send_frame->crop_bottom = ctx->aligned_height - ctx->height;
}
send_frame->pts = pts_ms; // time_base is ms
ret = avcodec_send_frame(ctx->enc_ctx, send_frame);
@@ -379,14 +403,14 @@ extern "C" int ffmpeg_hw_mjpeg_h264_encode(FfmpegHwMjpegH264* handle,
}
}
extern "C" int ffmpeg_hw_mjpeg_h264_reconfigure(FfmpegHwMjpegH264* handle,
extern "C" int ffmpeg_hw_mjpeg_h26x_reconfigure(FfmpegHwMjpegH26x* handle,
int bitrate_kbps,
int gop) {
if (!handle) {
set_last_error("Invalid handle for reconfigure");
return -1;
}
auto *ctx = reinterpret_cast<FfmpegHwMjpegH264Ctx*>(handle);
auto *ctx = reinterpret_cast<FfmpegHwMjpegH26xCtx*>(handle);
if (!ctx->enc_ctx || !ctx->hw_frames_ctx) {
set_last_error("Encoder not initialized for reconfigure");
return -1;
@@ -407,18 +431,18 @@ extern "C" int ffmpeg_hw_mjpeg_h264_reconfigure(FfmpegHwMjpegH264* handle,
return 0;
}
extern "C" int ffmpeg_hw_mjpeg_h264_request_keyframe(FfmpegHwMjpegH264* handle) {
extern "C" int ffmpeg_hw_mjpeg_h26x_request_keyframe(FfmpegHwMjpegH26x* handle) {
if (!handle) {
set_last_error("Invalid handle for request_keyframe");
return -1;
}
auto *ctx = reinterpret_cast<FfmpegHwMjpegH264Ctx*>(handle);
auto *ctx = reinterpret_cast<FfmpegHwMjpegH26xCtx*>(handle);
ctx->force_keyframe = true;
return 0;
}
extern "C" void ffmpeg_hw_mjpeg_h264_free(FfmpegHwMjpegH264* handle) {
auto *ctx = reinterpret_cast<FfmpegHwMjpegH264Ctx*>(handle);
extern "C" void ffmpeg_hw_mjpeg_h26x_free(FfmpegHwMjpegH26x* handle) {
auto *ctx = reinterpret_cast<FfmpegHwMjpegH26xCtx*>(handle);
if (!ctx) return;
if (ctx->dec_pkt) av_packet_free(&ctx->dec_pkt);