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ZLMediaKit
Commit b3ba6d42 by ziyue
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完善mk_transcode相关接口

parent f6cba98a
正在显示 包含 214 行增加 和 77 行删除
api/include/mk_transcode.h
......@@ -13,6 +13,7 @@
#include "mk_common.h"
#include "mk_track.h"
#include "mk_tcp.h"
#ifdef __cplusplus
extern "C" {
......@@ -40,6 +41,16 @@ typedef void(API_CALL *on_mk_decode)(void *user_data, mk_frame_pix frame);
API_EXPORT mk_decoder API_CALL mk_decoder_create(mk_track track, int thread_num);
/**
* 创建解码器
* @param track track对象
* @param thread_num 解码线程数，0时为自动
* @param codec_name_list 偏好的ffmpeg codec name列表，以NULL结尾，譬如：{"libopenh264", "h264_nvdec", NULL};
* 在数组中越前，优先级越高;如果指定的codec不存在，或跟mk_track_codec_id类型不匹配时，则使用内部默认codec列表
* @return 返回解码器对象，NULL代表失败
*/
API_EXPORT mk_decoder API_CALL mk_decoder_create2(mk_track track, int thread_num, const char *codec_name_list[]);
/**
* 销毁解码器
* @param ctx 解码器对象
* @param flush_frame 是否等待所有帧解码成功
......@@ -97,6 +108,15 @@ API_EXPORT void API_CALL mk_frame_pix_unref(mk_frame_pix frame);
API_EXPORT mk_frame_pix API_CALL mk_frame_pix_from_av_frame(AVFrame *frame);
/**
* 可无内存拷贝的创建mk_frame_pix对象
* @param plane_data 多个平面数据, 通过mk_buffer_get_data获取其数据指针
* @param line_size 平面数据line size
* @param plane 数据平面个数
* @return mk_frame_pix对象
*/
API_EXPORT mk_frame_pix API_CALL mk_frame_pix_from_buffer(mk_buffer plane_data[], int line_size[], int plane);
/**
* 获取FFmpeg AVFrame对象
* @param frame 解码帧mk_frame_pix
* @return FFmpeg AVFrame对象
......@@ -139,13 +159,26 @@ API_EXPORT mk_frame_pix mk_swscale_input_frame2(mk_swscale ctx, mk_frame_pix fra
/////////////////////////////////////////////////////////////////////////////////////////////
API_EXPORT uint8_t** API_CALL mk_get_av_frame_data(AVFrame *frame);
API_EXPORT int* API_CALL mk_get_av_frame_line_size(AVFrame *frame);
API_EXPORT uint8_t **API_CALL mk_get_av_frame_data(AVFrame *frame);
API_EXPORT void API_CALL mk_set_av_frame_data(AVFrame *frame, uint8_t *data, int plane);
API_EXPORT int *API_CALL mk_get_av_frame_line_size(AVFrame *frame);
API_EXPORT void API_CALL mk_set_av_frame_line_size(AVFrame *frame, int line_size, int plane);
API_EXPORT int64_t API_CALL mk_get_av_frame_dts(AVFrame *frame);
API_EXPORT void API_CALL mk_set_av_frame_dts(AVFrame *frame, int64_t dts);
API_EXPORT int64_t API_CALL mk_get_av_frame_pts(AVFrame *frame);
API_EXPORT void API_CALL mk_set_av_frame_pts(AVFrame *frame, int64_t pts);
API_EXPORT int API_CALL mk_get_av_frame_width(AVFrame *frame);
API_EXPORT void API_CALL mk_set_av_frame_width(AVFrame *frame, int width);
API_EXPORT int API_CALL mk_get_av_frame_height(AVFrame *frame);
API_EXPORT void API_CALL mk_set_av_frame_height(AVFrame *frame, int height);
API_EXPORT int API_CALL mk_get_av_frame_format(AVFrame *frame);
API_EXPORT void API_CALL mk_set_av_frame_format(AVFrame *frame, int format);
#ifdef __cplusplus
}
......
api/source/mk_transcode.cpp
......@@ -13,18 +13,33 @@
using namespace mediakit;
std::vector<std::string> toCodecList(const char *codec_name_list[]) {
std::vector<std::string> codec_list;
auto i = 0U;
while (codec_name_list[i]) {
codec_list.emplace_back(codec_name_list[i]);
++i;
}
return codec_list;
}
#ifdef ENABLE_FFMPEG
#include "Codec/Transcode.h"
API_EXPORT mk_decoder API_CALL mk_decoder_create(mk_track track, int thread_num) {
assert(track);
return new FFmpegDecoder(*((Track::Ptr *)track), thread_num);
return new FFmpegDecoder(*((Track::Ptr *) track), thread_num);
}
API_EXPORT mk_decoder API_CALL mk_decoder_create2(mk_track track, int thread_num, const char *codec_name_list[]) {
assert(track && codec_name_list);
return new FFmpegDecoder(*((Track::Ptr *) track), thread_num, toCodecList(codec_name_list));
}
API_EXPORT void API_CALL mk_decoder_release(mk_decoder ctx, int flush_frame) {
assert(ctx);
auto decoder = (FFmpegDecoder *)ctx;
auto decoder = (FFmpegDecoder *) ctx;
if (flush_frame) {
decoder->stopThread(false);
}
......@@ -33,94 +48,142 @@ API_EXPORT void API_CALL mk_decoder_release(mk_decoder ctx, int flush_frame) {
API_EXPORT void API_CALL mk_decoder_decode(mk_decoder ctx, mk_frame frame, int async, int enable_merge) {
assert(ctx && frame);
((FFmpegDecoder *)ctx)->inputFrame(*((Frame::Ptr *)frame), false, async, enable_merge);
((FFmpegDecoder *) ctx)->inputFrame(*((Frame::Ptr *) frame), false, async, enable_merge);
}
API_EXPORT void API_CALL mk_decoder_set_max_async_frame_size(mk_decoder ctx, size_t size) {
assert(ctx && size);
((FFmpegDecoder *)ctx)->setMaxTaskSize(size);
((FFmpegDecoder *) ctx)->setMaxTaskSize(size);
}
API_EXPORT void API_CALL mk_decoder_set_cb(mk_decoder ctx, on_mk_decode cb, void *user_data) {
assert(ctx && cb);
((FFmpegDecoder *)ctx)->setOnDecode([cb, user_data](const FFmpegFrame::Ptr &pix_frame) {
cb(user_data, (mk_frame_pix)&pix_frame);
((FFmpegDecoder *) ctx)->setOnDecode([cb, user_data](const FFmpegFrame::Ptr &pix_frame) {
cb(user_data, (mk_frame_pix) &pix_frame);
});
}
API_EXPORT const AVCodecContext *API_CALL mk_decoder_get_context(mk_decoder ctx) {
assert(ctx);
return ((FFmpegDecoder *)ctx)->getContext();
return ((FFmpegDecoder *) ctx)->getContext();
}
/////////////////////////////////////////////////////////////////////////////////////////////
API_EXPORT mk_frame_pix API_CALL mk_frame_pix_ref(mk_frame_pix frame) {
assert(frame);
return new FFmpegFrame::Ptr(*(FFmpegFrame::Ptr *)frame);
return new FFmpegFrame::Ptr(*(FFmpegFrame::Ptr *) frame);
}
API_EXPORT mk_frame_pix API_CALL mk_frame_pix_from_av_frame(AVFrame *frame) {
assert(frame);
return new FFmpegFrame::Ptr(std::make_shared<FFmpegFrame>(
std::shared_ptr<AVFrame>(av_frame_clone(frame), [](AVFrame *frame) { av_frame_free(&frame); })));
return new FFmpegFrame::Ptr(std::make_shared<FFmpegFrame>(std::shared_ptr<AVFrame>(av_frame_clone(frame), [](AVFrame *frame){
av_frame_free(&frame);
})));
}
API_EXPORT mk_frame_pix API_CALL mk_frame_pix_from_buffer(mk_buffer plane_data[], int line_size[], int plane) {
assert(plane <= AV_NUM_DATA_POINTERS);
std::shared_ptr<AVFrame> frame(av_frame_alloc(), [](AVFrame *ptr) {
av_frame_free(&ptr);
});
std::vector<mk_buffer> buffer_array;
for (auto i = 0; i < plane; ++i) {
auto buffer = mk_buffer_ref(plane_data[i]);
frame->data[i] = (uint8_t *) mk_buffer_get_data(buffer);
frame->linesize[i] = line_size[i];
buffer_array.emplace_back(buffer);
}
return new FFmpegFrame::Ptr(new FFmpegFrame(std::move(frame)), [buffer_array](FFmpegFrame *frame) {
for (auto &buffer : buffer_array) {
mk_buffer_unref(buffer);
}
delete frame;
});
}
API_EXPORT void API_CALL mk_frame_pix_unref(mk_frame_pix frame) {
assert(frame);
delete (FFmpegFrame::Ptr *)frame;
delete (FFmpegFrame::Ptr *) frame;
}
API_EXPORT AVFrame *API_CALL mk_frame_pix_get_av_frame(mk_frame_pix frame) {
assert(frame);
return (*(FFmpegFrame::Ptr *)frame)->get();
return (*(FFmpegFrame::Ptr *) frame)->get();
}
//////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////
API_EXPORT mk_swscale mk_swscale_create(int output, int width, int height) {
return new FFmpegSws((AVPixelFormat)output, width, height);
return new FFmpegSws((AVPixelFormat) output, width, height);
}
API_EXPORT void mk_swscale_release(mk_swscale ctx) {
delete (FFmpegSws *)ctx;
delete (FFmpegSws *) ctx;
}
API_EXPORT int mk_swscale_input_frame(mk_swscale ctx, mk_frame_pix frame, uint8_t *data) {
return ((FFmpegSws *)ctx)->inputFrame(*(FFmpegFrame::Ptr *)frame, data);
return ((FFmpegSws *) ctx)->inputFrame(*(FFmpegFrame::Ptr *) frame, data);
}
API_EXPORT mk_frame_pix mk_swscale_input_frame2(mk_swscale ctx, mk_frame_pix frame) {
return new FFmpegFrame::Ptr(((FFmpegSws *)ctx)->inputFrame(*(FFmpegFrame::Ptr *)frame));
API_EXPORT mk_frame_pix mk_swscale_input_frame2(mk_swscale ctx, mk_frame_pix frame){
return new FFmpegFrame::Ptr(((FFmpegSws *) ctx)->inputFrame(*(FFmpegFrame::Ptr *) frame));
}
API_EXPORT uint8_t **API_CALL mk_get_av_frame_data(AVFrame *frame) {
return frame->data;
}
API_EXPORT void API_CALL mk_set_av_frame_data(AVFrame *frame, uint8_t *data, int plane) {
frame->data[plane] = data;
}
API_EXPORT int *API_CALL mk_get_av_frame_line_size(AVFrame *frame) {
return frame->linesize;
}
API_EXPORT void API_CALL mk_set_av_frame_line_size(AVFrame *frame, int line_size, int plane) {
frame->linesize[plane] = line_size;
}
API_EXPORT int64_t API_CALL mk_get_av_frame_dts(AVFrame *frame) {
return frame->pkt_dts;
}
API_EXPORT void API_CALL mk_set_av_frame_dts(AVFrame *frame, int64_t dts) {
frame->pkt_dts = dts;
}
API_EXPORT int64_t API_CALL mk_get_av_frame_pts(AVFrame *frame) {
return frame->pts;
}
API_EXPORT void API_CALL mk_set_av_frame_pts(AVFrame *frame, int64_t pts) {
frame->pts = pts;
}
API_EXPORT int API_CALL mk_get_av_frame_width(AVFrame *frame) {
return frame->width;
}
API_EXPORT void API_CALL mk_set_av_frame_width(AVFrame *frame, int width) {
frame->width = width;
}
API_EXPORT int API_CALL mk_get_av_frame_height(AVFrame *frame) {
return frame->height;
}
API_EXPORT void API_CALL mk_set_av_frame_height(AVFrame *frame, int height) {
frame->height = height;
}
API_EXPORT int API_CALL mk_get_av_frame_format(AVFrame *frame) {
return frame->format;
}
API_EXPORT void API_CALL mk_set_av_frame_format(AVFrame *frame, int format) {
frame->format = format;
}
#endif //ENABLE_FFMPEG
\ No newline at end of file
src/Codec/Transcode.cpp
......@@ -47,13 +47,13 @@ static void on_ffmpeg_log(void *ctx, int level, const char *fmt, va_list args) {
}
LogLevel lev;
switch (level) {
case AV_LOG_FATAL:
case AV_LOG_FATAL: lev = LError; break;
case AV_LOG_ERROR: lev = LError; break;
case AV_LOG_WARNING: lev = LWarn; break;
case AV_LOG_INFO: lev = LInfo; break;
case AV_LOG_VERBOSE:
case AV_LOG_VERBOSE: lev = LDebug; break;
case AV_LOG_DEBUG: lev = LDebug; break;
case AV_LOG_TRACE:
case AV_LOG_TRACE: lev = LTrace; break;
default: lev = LTrace; break;
}
LoggerWrapper::printLogV(::toolkit::getLogger(), lev, __FILE__, ctx ? av_default_item_name(ctx) : "NULL", level, fmt, args);
......@@ -303,13 +303,31 @@ static inline const AVCodec *getCodec(const std::initializer_list<CodecName> &co
return ret;
}
FFmpegDecoder::FFmpegDecoder(const Track::Ptr &track, int thread_num) {
template<bool decoder = true>
static inline const AVCodec *getCodecByName(const std::vector<std::string> &codec_list) {
const AVCodec *ret = nullptr;
for (auto &codec : codec_list) {
ret = getCodec_l<decoder>(codec.data());
if (ret) {
return ret;
}
}
return ret;
}
FFmpegDecoder::FFmpegDecoder(const Track::Ptr &track, int thread_num, const std::vector<std::string> &codec_name) {
setupFFmpeg();
const AVCodec *codec = nullptr;
const AVCodec *codec_default = nullptr;
if (!codec_name.empty()) {
codec = getCodecByName(codec_name);
}
switch (track->getCodecId()) {
case CodecH264:
codec_default = getCodec({AV_CODEC_ID_H264});
if (codec && codec->id == AV_CODEC_ID_H264) {
break;
}
if (checkIfSupportedNvidia()) {
codec = getCodec({{"libopenh264"}, {AV_CODEC_ID_H264}, {"h264_qsv"}, {"h264_videotoolbox"}, {"h264_cuvid"}, {"h264_nvmpi"}});
} else {
......@@ -318,6 +336,9 @@ FFmpegDecoder::FFmpegDecoder(const Track::Ptr &track, int thread_num) {
break;
case CodecH265:
codec_default = getCodec({AV_CODEC_ID_HEVC});
if (codec && codec->id == AV_CODEC_ID_HEVC) {
break;
}
if (checkIfSupportedNvidia()) {
codec = getCodec({{AV_CODEC_ID_HEVC}, {"hevc_qsv"}, {"hevc_videotoolbox"}, {"hevc_cuvid"}, {"hevc_nvmpi"}});
} else {
......@@ -325,27 +346,51 @@ FFmpegDecoder::FFmpegDecoder(const Track::Ptr &track, int thread_num) {
}
break;
case CodecAAC:
if (codec && codec->id == AV_CODEC_ID_AAC) {
break;
}
codec = getCodec({AV_CODEC_ID_AAC});
break;
case CodecG711A:
if (codec && codec->id == AV_CODEC_ID_PCM_ALAW) {
break;
}
codec = getCodec({AV_CODEC_ID_PCM_ALAW});
break;
case CodecG711U:
if (codec && codec->id == AV_CODEC_ID_PCM_MULAW) {
break;
}
codec = getCodec({AV_CODEC_ID_PCM_MULAW});
break;
case CodecOpus:
if (codec && codec->id == AV_CODEC_ID_OPUS) {
break;
}
codec = getCodec({AV_CODEC_ID_OPUS});
break;
case CodecJPEG:
if (codec && codec->id == AV_CODEC_ID_MJPEG) {
break;
}
codec = getCodec({AV_CODEC_ID_MJPEG});
break;
case CodecVP8:
if (codec && codec->id == AV_CODEC_ID_VP8) {
break;
}
codec = getCodec({AV_CODEC_ID_VP8});
break;
case CodecVP9:
codec = getCodec({AV_CODEC_ID_VP9});
if (codec && codec->id == AV_CODEC_ID_VP9) {
break;
default:
}
codec = getCodec({AV_CODEC_ID_VP9});
break;
default: codec = nullptr; break;
}
codec = codec ? codec : codec_default;
if (!codec) {
throw std::runtime_error("未找到解码器");
}
......@@ -451,11 +496,11 @@ const AVCodecContext *FFmpegDecoder::getContext() const {
bool FFmpegDecoder::inputFrame_l(const Frame::Ptr &frame, bool live, bool enable_merge) {
if (_do_merger && enable_merge) {
return _merger.inputFrame(frame, [this, live](uint64_t dts, uint64_t pts, const Buffer::Ptr &buffer, bool have_idr) {
decodeFrame(buffer->data(), buffer->size(), dts, pts, live);
decodeFrame(buffer->data(), buffer->size(), dts, pts, live, have_idr);
});
}
return decodeFrame(frame->data(), frame->size(), frame->dts(), frame->pts(), live);
return decodeFrame(frame->data(), frame->size(), frame->dts(), frame->pts(), live, frame->keyFrame());
}
bool FFmpegDecoder::inputFrame(const Frame::Ptr &frame, bool live, bool async, bool enable_merge) {
......@@ -476,7 +521,7 @@ bool FFmpegDecoder::inputFrame(const Frame::Ptr &frame, bool live, bool async, b
});
}
bool FFmpegDecoder::decodeFrame(const char *data, size_t size, uint64_t dts, uint64_t pts, bool live) {
bool FFmpegDecoder::decodeFrame(const char *data, size_t size, uint64_t dts, uint64_t pts, bool live, bool key_frame) {
TimeTicker2(30, TraceL);
auto pkt = alloc_av_packet();
......@@ -484,6 +529,9 @@ bool FFmpegDecoder::decodeFrame(const char *data, size_t size, uint64_t dts, uin
pkt->size = size;
pkt->dts = dts;
pkt->pts = pts;
if (key_frame) {
pkt->flags |= AV_PKT_FLAG_KEY;
}
auto ret = avcodec_send_packet(_context.get(), pkt.get());
if (ret < 0) {
......@@ -589,68 +637,54 @@ FFmpegSws::~FFmpegSws() {
}
int FFmpegSws::inputFrame(const FFmpegFrame::Ptr &frame, uint8_t *data) {
TimeTicker2(30, TraceL);
if (!_target_width) {
_target_width = frame->get()->width;
}
if (!_target_height) {
_target_height = frame->get()->height;
}
AVFrame dst;
memset(&dst, 0, sizeof(dst));
av_image_fill_arrays(dst.data, dst.linesize, data, _target_format, _target_width, _target_height,1);
if (!_ctx) {
_ctx = sws_getContext(frame->get()->width, frame->get()->height, (enum AVPixelFormat) frame->get()->format,
_target_width, _target_height, _target_format, SWS_FAST_BILINEAR, NULL, NULL, NULL);
InfoL << "sws_getContext:" << av_get_pix_fmt_name((enum AVPixelFormat) frame->get()->format) << " -> "
<< av_get_pix_fmt_name(_target_format);
}
assert(_ctx);
int ret = 0;
if (0 >= (ret = sws_scale(_ctx, frame->get()->data, frame->get()->linesize, 0, frame->get()->height, dst.data,
dst.linesize))) {
WarnL << "sws_scale failed:" << ffmpeg_err(ret);
}
int ret;
inputFrame(frame, ret, data);
return ret;
}
FFmpegFrame::Ptr FFmpegSws::inputFrame(const FFmpegFrame::Ptr &frame) {
TimeTicker2(30, TraceL);
int ret;
return inputFrame(frame, ret, nullptr);
}
if (!_target_width) {
_target_width = frame->get()->width;
}
if (!_target_height) {
_target_height = frame->get()->height;
}
if (frame->get()->format == _target_format && frame->get()->width == _target_width
&& frame->get()->height == _target_height) {
FFmpegFrame::Ptr FFmpegSws::inputFrame(const FFmpegFrame::Ptr &frame, int &ret, uint8_t *data) {
ret = -1;
TimeTicker2(30, TraceL);
auto target_width = _target_width ? _target_width : frame->get()->width;
auto target_height = _target_height ? _target_height : frame->get()->height;
if (frame->get()->format == _target_format && frame->get()->width == target_width && frame->get()->height == target_height) {
//不转格式
return frame;
}
if (_ctx && (_src_width != frame->get()->width || _src_height != frame->get()->height || _src_format != (enum AVPixelFormat) frame->get()->format)) {
//输入分辨率发生变化了
sws_freeContext(_ctx);
_ctx = nullptr;
}
if (!_ctx) {
_ctx = sws_getContext(frame->get()->width, frame->get()->height, (enum AVPixelFormat) frame->get()->format,
_target_width, _target_height, _target_format,
SWS_FAST_BILINEAR, NULL, NULL, NULL);
InfoL << "sws_getContext:" << av_get_pix_fmt_name((enum AVPixelFormat) frame->get()->format) << " -> "
<< av_get_pix_fmt_name(_target_format);
_src_format = (enum AVPixelFormat) frame->get()->format;
_src_width = frame->get()->width;
_src_height = frame->get()->height;
_ctx = sws_getContext(frame->get()->width, frame->get()->height, (enum AVPixelFormat) frame->get()->format, target_width, target_height, _target_format, SWS_FAST_BILINEAR, NULL, NULL, NULL);
InfoL << "sws_getContext:" << av_get_pix_fmt_name((enum AVPixelFormat) frame->get()->format) << " -> " << av_get_pix_fmt_name(_target_format);
}
if (_ctx) {
auto out = std::make_shared<FFmpegFrame>();
if (!out->get()->data[0]) {
out->fillPicture(_target_format, _target_width, _target_height);
if (data) {
avpicture_fill((AVPicture *) out->get(), data, _target_format, target_width, target_height);
} else {
out->fillPicture(_target_format, target_width, target_height);
}
int ret = 0;
if (0 == (ret = sws_scale(_ctx, frame->get()->data, frame->get()->linesize, 0, frame->get()->height,
out->get()->data, out->get()->linesize))) {
}
if (0 >= (ret = sws_scale(_ctx, frame->get()->data, frame->get()->linesize, 0, frame->get()->height, out->get()->data, out->get()->linesize))) {
WarnL << "sws_scale failed:" << ffmpeg_err(ret);
return nullptr;
}
out->get()->format = _target_format;
out->get()->width = _target_width;
out->get()->height = _target_height;
out->get()->width = target_width;
out->get()->height = target_height;
out->get()->pkt_dts = frame->get()->pkt_dts;
out->get()->pts = frame->get()->pts;
return out;
......
src/Codec/Transcode.h
......@@ -102,7 +102,7 @@ public:
using Ptr = std::shared_ptr<FFmpegDecoder>;
using onDec = std::function<void(const FFmpegFrame::Ptr &)>;
FFmpegDecoder(const Track::Ptr &track, int thread_num = 2);
FFmpegDecoder(const Track::Ptr &track, int thread_num = 2, const std::vector<std::string> &codec_name = {});
~FFmpegDecoder() override;
bool inputFrame(const Frame::Ptr &frame, bool live, bool async, bool enable_merge = true);
......@@ -113,7 +113,7 @@ public:
private:
void onDecode(const FFmpegFrame::Ptr &frame);
bool inputFrame_l(const Frame::Ptr &frame, bool live, bool enable_merge);
bool decodeFrame(const char *data, size_t size, uint64_t dts, uint64_t pts, bool live);
bool decodeFrame(const char *data, size_t size, uint64_t dts, uint64_t pts, bool live, bool key_frame);
private:
bool _do_merger = false;
......@@ -133,10 +133,16 @@ public:
int inputFrame(const FFmpegFrame::Ptr &frame, uint8_t *data);
private:
int _target_width;
int _target_height;
FFmpegFrame::Ptr inputFrame(const FFmpegFrame::Ptr &frame, int &ret, uint8_t *data);
private:
int _target_width = 0;
int _target_height = 0;
int _src_width = 0;
int _src_height = 0;
SwsContext *_ctx = nullptr;
AVPixelFormat _target_format;
AVPixelFormat _src_format = AV_PIX_FMT_NONE;
AVPixelFormat _target_format = AV_PIX_FMT_NONE;
};
}//namespace mediakit
......
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