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ZLMediaKit
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c sdk与codec解耦

This commit is contained in:
xia-chu 2023-12-09 15:45:04 +08:00
parent 16fb117102
commit f9505251ee
2 changed files with 26 additions and 71 deletions
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89
api/source/mk_frame.cpp
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@ -9,12 +9,8 @@
*/
#include "mk_frame.h"
#include "mk_track.h"
#include "Extension/Frame.h"
#include "Extension/H264.h"
#include "Extension/H265.h"
#include "Extension/AAC.h"
#include "Record/MPEG.h"
#include "Extension/Factory.h"
using namespace mediakit;
@ -24,92 +20,51 @@ extern "C" {
#undef XX
}
class FrameFromPtrForC : public FrameFromPtr {
namespace {
class BufferFromPtr : public toolkit::Buffer {
public:
using Ptr = std::shared_ptr<FrameFromPtrForC>;
template<typename ...ARGS>
FrameFromPtrForC(bool cache_able, uint32_t flags, on_mk_frame_data_release cb, std::shared_ptr<void> user_data, ARGS &&...args) : FrameFromPtr(
std::forward<ARGS>(args)...) {
_flags = flags;
BufferFromPtr(char *ptr, size_t size, on_mk_frame_data_release cb, std::shared_ptr<void> user_data) {
_ptr = ptr;
_size = size;
_cb = cb;
_user_data = std::move(user_data);
_cache_able = cache_able;
}
~FrameFromPtrForC() override {
if (_cb) {
~BufferFromPtr() override {
_cb(_user_data.get(), _ptr);
}
}
bool cacheAble() const override {
return _cache_able;
}
bool keyFrame() const override {
return _flags & MK_FRAME_FLAG_IS_KEY;
}
bool configFrame() const override {
return _flags & MK_FRAME_FLAG_IS_CONFIG;
}
//默认返回false
bool dropAble() const override {
return _flags & MK_FRAME_FLAG_DROP_ABLE;
}
//默认返回true
bool decodeAble() const override {
return !(_flags & MK_FRAME_FLAG_NOT_DECODE_ABLE);
}
char *data() const override { return _ptr; }
size_t size() const override { return _size; }
private:
uint32_t _flags;
char *_ptr;
size_t _size;
on_mk_frame_data_release _cb;
std::shared_ptr<void> _user_data;
bool _cache_able;
};
}; // namespace
static mk_frame mk_frame_create_complex(int codec_id, uint64_t dts, uint64_t pts, uint32_t frame_flags, size_t prefix_size,
char *data, size_t size, on_mk_frame_data_release cb, std::shared_ptr<void> user_data) {
switch (codec_id) {
case CodecH264:
return (mk_frame)new Frame::Ptr(new H264FrameHelper<FrameFromPtrForC>(
cb, frame_flags, cb, std::move(user_data), data, size, dts, pts, prefix_size));
case CodecH265:
return (mk_frame)new Frame::Ptr(new H265FrameHelper<FrameFromPtrForC>(
cb, frame_flags, cb, std::move(user_data), data, size, dts, pts, prefix_size));
default:
return (mk_frame)new Frame::Ptr(new FrameFromPtrForC(
cb, frame_flags, cb, std::move(user_data), (CodecId)codec_id, data, size, dts, pts, prefix_size));
static mk_frame mk_frame_create_complex(int codec_id, uint64_t dts, uint64_t pts, const char *data, size_t size,
on_mk_frame_data_release cb, std::shared_ptr<void> user_data) {
if (!cb) {
// no cacheable
return (mk_frame) new Frame::Ptr(Factory::getFrameFromPtr((CodecId)codec_id, data, size, dts, pts));
}
// cacheable
auto buffer = std::make_shared<BufferFromPtr>((char *)data, size, cb, std::move(user_data));
return (mk_frame) new Frame::Ptr(Factory::getFrameFromBuffer((CodecId)codec_id, std::move(buffer), dts, pts));
}
API_EXPORT mk_frame API_CALL mk_frame_create(int codec_id, uint64_t dts, uint64_t pts, const char *data, size_t size,
on_mk_frame_data_release cb, void *user_data) {
return mk_frame_create2(codec_id, dts, pts, data, size, cb, user_data, nullptr);
}
API_EXPORT mk_frame API_CALL mk_frame_create2(int codec_id, uint64_t dts, uint64_t pts, const char *data, size_t size,
on_mk_frame_data_release cb, void *user_data, on_user_data_free user_data_free) {
std::shared_ptr<void> ptr(user_data, user_data_free ? user_data_free : [](void *) {});
switch (codec_id) {
case CodecH264:
case CodecH265:
return mk_frame_create_complex(codec_id, dts, pts, 0, prefixSize(data, size), (char *)data, size, cb, std::move(ptr));
case CodecAAC: {
int prefix = 0;
if ((((uint8_t *) data)[0] == 0xFF && (((uint8_t *) data)[1] & 0xF0) == 0xF0) && size > ADTS_HEADER_LEN) {
prefix = ADTS_HEADER_LEN;
}
return mk_frame_create_complex(codec_id, dts, pts, 0, prefix, (char *)data, size, cb, std::move(ptr));
}
default:
return mk_frame_create_complex(codec_id, dts, pts, 0, 0, (char *)data, size, cb, std::move(ptr));
}
return mk_frame_create_complex(codec_id, dts, pts, data, size, cb, std::move(ptr));
}
API_EXPORT void API_CALL mk_frame_unref(mk_frame frame) {