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https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-22 19:00:01 +08:00
合并fmp4和mov接口
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@ -1 +1 @@
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Subproject commit 82a48c57ae5269aaa70a8c3df8a67dc06b05d0cd
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Subproject commit 5d8f1536bd4c70be8f2d7ff30fde3c36877477c8
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@ -13,34 +13,119 @@
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#include "Util/File.h"
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#include "Util/logger.h"
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#include "Common/config.h"
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#include "fmp4-writer.h"
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using namespace toolkit;
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namespace mediakit {
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struct mp4_writer_t {
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int is_fmp4;
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union {
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fmp4_writer_t *fmp4;
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mov_writer_t *mov;
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} u;
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};
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mp4_writer_t* mp4_writer_create(int is_fmp4, const struct mov_buffer_t *buffer, void* param, int flags){
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mp4_writer_t *mp4 = (mp4_writer_t *) malloc(sizeof(mp4_writer_t));
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mp4->is_fmp4 = is_fmp4;
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if (is_fmp4) {
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mp4->u.fmp4 = fmp4_writer_create(buffer, param, flags);
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} else {
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mp4->u.mov = mov_writer_create(buffer, param, flags);
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}
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return mp4;
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}
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void mp4_writer_destroy(mp4_writer_t* mp4){
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if (mp4->is_fmp4) {
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fmp4_writer_destroy(mp4->u.fmp4);
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} else {
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mov_writer_destroy(mp4->u.mov);
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}
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free(mp4);
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}
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int mp4_writer_add_audio(mp4_writer_t* mp4, uint8_t object, int channel_count, int bits_per_sample, int sample_rate, const void* extra_data, size_t extra_data_size){
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if (mp4->is_fmp4) {
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return fmp4_writer_add_audio(mp4->u.fmp4, object, channel_count, bits_per_sample, sample_rate, extra_data, extra_data_size);
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} else {
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return mov_writer_add_audio(mp4->u.mov, object, channel_count, bits_per_sample, sample_rate, extra_data, extra_data_size);
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}
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}
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int mp4_writer_add_video(mp4_writer_t* mp4, uint8_t object, int width, int height, const void* extra_data, size_t extra_data_size){
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if (mp4->is_fmp4) {
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return fmp4_writer_add_video(mp4->u.fmp4, object, width, height, extra_data, extra_data_size);
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} else {
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return mov_writer_add_video(mp4->u.mov, object, width, height, extra_data, extra_data_size);
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}
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}
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int mp4_writer_add_subtitle(mp4_writer_t* mp4, uint8_t object, const void* extra_data, size_t extra_data_size){
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if (mp4->is_fmp4) {
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return fmp4_writer_add_subtitle(mp4->u.fmp4, object, extra_data, extra_data_size);
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} else {
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return mov_writer_add_subtitle(mp4->u.mov, object, extra_data, extra_data_size);
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}
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}
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int mp4_writer_write(mp4_writer_t* mp4, int track, const void* data, size_t bytes, int64_t pts, int64_t dts, int flags){
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if (mp4->is_fmp4) {
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return fmp4_writer_write(mp4->u.fmp4, track, data, bytes, pts, dts, flags);
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} else {
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return mov_writer_write(mp4->u.mov, track, data, bytes, pts, dts, flags);
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}
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}
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int mp4_writer_write_l(mp4_writer_t* mp4, int track, const void* data, size_t bytes, int64_t pts, int64_t dts, int flags, int add_nalu_size){
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if (mp4->is_fmp4) {
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return fmp4_writer_write_l(mp4->u.fmp4, track, data, bytes, pts, dts, flags, add_nalu_size);
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} else {
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return mov_writer_write_l(mp4->u.mov, track, data, bytes, pts, dts, flags, add_nalu_size);
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}
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}
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int mp4_writer_save_segment(mp4_writer_t* mp4){
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if (mp4->is_fmp4) {
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return fmp4_writer_save_segment(mp4->u.fmp4);
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} else {
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return -1;
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}
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}
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int mp4_writer_init_segment(mp4_writer_t* mp4){
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if (mp4->is_fmp4) {
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return fmp4_writer_init_segment(mp4->u.fmp4);
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} else {
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return -1;
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}
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}
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static struct mov_buffer_t s_io = {
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[](void* ctx, void* data, uint64_t bytes) {
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MP4File *thiz = (MP4File *)ctx;
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return thiz->onRead(data,bytes);
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[](void *ctx, void *data, uint64_t bytes) {
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MP4File *thiz = (MP4File *) ctx;
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return thiz->onRead(data, bytes);
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},
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[](void* ctx, const void* data, uint64_t bytes){
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MP4File *thiz = (MP4File *)ctx;
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return thiz->onWrite(data,bytes);
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[](void *ctx, const void *data, uint64_t bytes) {
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MP4File *thiz = (MP4File *) ctx;
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return thiz->onWrite(data, bytes);
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},
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[](void* ctx, uint64_t offset) {
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MP4File *thiz = (MP4File *)ctx;
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[](void *ctx, uint64_t offset) {
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MP4File *thiz = (MP4File *) ctx;
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return thiz->onSeek(offset);
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},
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[](void* ctx){
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MP4File *thiz = (MP4File *)ctx;
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[](void *ctx) {
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MP4File *thiz = (MP4File *) ctx;
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return thiz->onTell();
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}
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};
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MP4File::Writer MP4File::createWriter(){
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GET_CONFIG(bool, mp4FastStart, Record::kFastStart);
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MP4File::Writer MP4File::createWriter(int flags, bool is_fmp4){
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Writer writer;
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writer.reset(mov_writer_create(&s_io,this,mp4FastStart ? MOV_FLAG_FASTSTART : 0),[](mov_writer_t *ptr){
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writer.reset(mp4_writer_create(is_fmp4, &s_io,this, flags),[](mp4_writer_t *ptr){
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if(ptr){
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mov_writer_destroy(ptr);
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mp4_writer_destroy(ptr);
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}
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});
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if(!writer){
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@ -23,15 +23,26 @@
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using namespace std;
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namespace mediakit {
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typedef struct mp4_writer_t mp4_writer_t;
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mp4_writer_t* mp4_writer_create(int is_fmp4, const struct mov_buffer_t *buffer, void* param, int flags);
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void mp4_writer_destroy(mp4_writer_t* mp4);
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int mp4_writer_add_audio(mp4_writer_t* mp4, uint8_t object, int channel_count, int bits_per_sample, int sample_rate, const void* extra_data, size_t extra_data_size);
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int mp4_writer_add_video(mp4_writer_t* mp4, uint8_t object, int width, int height, const void* extra_data, size_t extra_data_size);
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int mp4_writer_add_subtitle(mp4_writer_t* mp4, uint8_t object, const void* extra_data, size_t extra_data_size);
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int mp4_writer_write(mp4_writer_t* mp4, int track, const void* data, size_t bytes, int64_t pts, int64_t dts, int flags);
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int mp4_writer_write_l(mp4_writer_t* mp4, int track, const void* data, size_t bytes, int64_t pts, int64_t dts, int flags, int add_nalu_size);
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int mp4_writer_save_segment(mp4_writer_t* mp4);
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int mp4_writer_init_segment(mp4_writer_t* mp4);
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class MP4File {
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public:
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friend struct mov_buffer_t;
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typedef std::shared_ptr<mov_writer_t> Writer;
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typedef std::shared_ptr<mp4_writer_t> Writer;
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typedef std::shared_ptr<mov_reader_t> Reader;
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MP4File() = default;
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virtual ~MP4File() = default;
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Writer createWriter();
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Writer createWriter(int flags, bool is_fmp4 = false);
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Reader createReader();
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void openFile(const char *file,const char *mode);
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void closeFile();
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@ -26,7 +26,8 @@ MP4Muxer::~MP4Muxer() {
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void MP4Muxer::openMP4(){
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closeMP4();
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openFile(_file_name.data(), "wb+");
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_mov_writter = createWriter();
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GET_CONFIG(bool, mp4FastStart, Record::kFastStart);
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_mov_writter = createWriter(mp4FastStart ? MOV_FLAG_FASTSTART : 0, false);
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}
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void MP4Muxer::closeMP4(){
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_mov_writter = nullptr;
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@ -84,24 +85,23 @@ void MP4Muxer::inputFrame(const Frame::Ptr &frame) {
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merged.append((char *) &nalu_size, 4);
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merged.append(frame->data() + frame->prefixSize(), frame->size() - frame->prefixSize());
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});
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mov_writer_write_l(_mov_writter.get(),
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mp4_writer_write(_mov_writter.get(),
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track_info.track_id,
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merged.data(),
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merged.size(),
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pts_out,
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dts_out,
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back->keyFrame() ? MOV_AV_FLAG_KEYFREAME : 0,
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1/*我们合并时已经生成了4个字节的MP4格式start code*/);
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back->keyFrame() ? MOV_AV_FLAG_KEYFREAME : 0);
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} else {
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//缓存中只有一帧视频
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mov_writer_write_l(_mov_writter.get(),
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mp4_writer_write_l(_mov_writter.get(),
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track_info.track_id,
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back->data() + back->prefixSize(),
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back->size() - back->prefixSize(),
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pts_out,
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dts_out,
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back->keyFrame() ? MOV_AV_FLAG_KEYFREAME : 0,
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0/*需要生成头4个字节的MP4格式start code*/);
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1/*需要生成头4个字节的MP4格式start code*/);
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}
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_frameCached.clear();
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}
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@ -111,14 +111,13 @@ void MP4Muxer::inputFrame(const Frame::Ptr &frame) {
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break;
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default: {
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track_info.stamp.revise(frame->dts(), frame->pts(), dts_out, pts_out);
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mov_writer_write_l(_mov_writter.get(),
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track_info.track_id,
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frame->data() + frame->prefixSize(),
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frame->size() - frame->prefixSize(),
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pts_out,
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dts_out,
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frame->keyFrame() ? MOV_AV_FLAG_KEYFREAME : 0,
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1/*aac或其他类型frame不用添加4个nalu_size的字节*/);
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mp4_writer_write(_mov_writter.get(),
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track_info.track_id,
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frame->data() + frame->prefixSize(),
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frame->size() - frame->prefixSize(),
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pts_out,
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dts_out,
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frame->keyFrame() ? MOV_AV_FLAG_KEYFREAME : 0);
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}
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break;
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}
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@ -178,7 +177,7 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
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return;
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}
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auto track_id = mov_writer_add_audio(_mov_writter.get(),
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auto track_id = mp4_writer_add_audio(_mov_writter.get(),
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mp4_object,
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audio_track->getAudioChannel(),
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audio_track->getAudioSampleBit() * audio_track->getAudioChannel(),
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@ -199,7 +198,7 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
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return;
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}
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auto track_id = mov_writer_add_audio(_mov_writter.get(),
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auto track_id = mp4_writer_add_audio(_mov_writter.get(),
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mp4_object,
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audio_track->getAudioChannel(),
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audio_track->getAudioSampleBit() * audio_track->getAudioChannel(),
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@ -232,7 +231,7 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
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return;
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}
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auto track_id = mov_writer_add_video(_mov_writter.get(),
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auto track_id = mp4_writer_add_video(_mov_writter.get(),
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mp4_object,
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h264_track->getVideoWidth(),
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h264_track->getVideoHeight(),
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@ -267,7 +266,7 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
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return;
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}
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auto track_id = mov_writer_add_video(_mov_writter.get(),
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auto track_id = mp4_writer_add_video(_mov_writter.get(),
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mp4_object,
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h265_track->getVideoWidth(),
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h265_track->getVideoHeight(),
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