681 lines
16 KiB
C++
681 lines
16 KiB
C++
#ifdef THEORA_ENABLED
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#include "video_stream_theora.h"
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#include "os/os.h"
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#include "yuv2rgb.h"
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AudioStream::UpdateMode VideoStreamTheora::get_update_mode() const {
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return UPDATE_IDLE;
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};
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int VideoStreamTheora:: buffer_data() {
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char *buffer=ogg_sync_buffer(&oy,4096);
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int bytes=file->get_buffer((uint8_t*)buffer, 4096);
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ogg_sync_wrote(&oy,bytes);
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return(bytes);
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}
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int VideoStreamTheora::queue_page(ogg_page *page){
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if(theora_p)ogg_stream_pagein(&to,page);
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if(vorbis_p)ogg_stream_pagein(&vo,page);
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return 0;
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}
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Image VideoStreamTheora::peek_frame() const {
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if (frames_pending == 0)
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return Image();
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return Image(size.x, size.y, 0, format, frame_data);
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};
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Image VideoStreamTheora::pop_frame() {
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Image ret = peek_frame();
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frames_pending = 0;
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return ret;
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};
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int VideoStreamTheora::get_pending_frame_count() const {
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return frames_pending;
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};
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void VideoStreamTheora::video_write(void){
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th_ycbcr_buffer yuv;
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int y_offset, uv_offset;
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th_decode_ycbcr_out(td,yuv);
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y_offset=(ti.pic_x&~1)+yuv[0].stride*(ti.pic_y&~1);
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/*
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{
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int pixels = size.x * size.y;
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frame_data.resize(pixels * 4);
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DVector<uint8_t>::Write w = frame_data.write();
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char* dst = (char*)w.ptr();
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int p = 0;
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for (int i=0; i<size.y; i++) {
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char *in_y = (char *)yuv[0].data+y_offset+yuv[0].stride*i;
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char *out = dst + (int)size.x * 4 * i;
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for (int j=0;j<size.x;j++) {
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dst[p++] = in_y[j];
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dst[p++] = in_y[j];
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dst[p++] = in_y[j];
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dst[p++] = 255;
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};
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}
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format = Image::FORMAT_RGBA;
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}
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// */
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//*
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int pitch = 4;
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frame_data.resize(size.x * size.y * pitch);
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DVector<uint8_t>::Write w = frame_data.write();
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char* dst = (char*)w.ptr();
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uv_offset=(ti.pic_x/2)+(yuv[1].stride)*(ti.pic_y/2);
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if (px_fmt == TH_PF_444) {
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yuv444_2_rgb8888((uint8_t*)dst, (uint8_t*)yuv[0].data, (uint8_t*)yuv[1].data, (uint8_t*)yuv[2].data, size.x, size.y, yuv[0].stride, yuv[1].stride, size.x<<2, 0);
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} else if (px_fmt == TH_PF_422) {
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yuv422_2_rgb8888((uint8_t*)dst, (uint8_t*)yuv[0].data, (uint8_t*)yuv[1].data, (uint8_t*)yuv[2].data, size.x, size.y, yuv[0].stride, yuv[1].stride, size.x<<2, 0);
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} else if (px_fmt == TH_PF_420) {
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yuv420_2_rgb8888((uint8_t*)dst, (uint8_t*)yuv[0].data, (uint8_t*)yuv[2].data, (uint8_t*)yuv[1].data, size.x, size.y, yuv[0].stride, yuv[1].stride, size.x<<2, 0);
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};
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format = Image::FORMAT_RGBA;
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/*
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if (px_fmt == TH_PF_444) {
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int pitch = 3;
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frame_data.resize(size.x * size.y * pitch);
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DVector<uint8_t>::Write w = frame_data.write();
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char* dst = (char*)w.ptr();
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for(int i=0;i<size.y;i++) {
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char *in_y = (char *)yuv[0].data+y_offset+yuv[0].stride*i;
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char *out = dst + (int)size.x * pitch * i;
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char *in_u = (char *)yuv[1].data+uv_offset+yuv[1].stride*i;
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char *in_v = (char *)yuv[2].data+uv_offset+yuv[2].stride*i;
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for (int j=0;j<size.x;j++) {
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out[j*3+0] = in_y[j];
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out[j*3+1] = in_u[j];
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out[j*3+2] = in_v[j];
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};
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}
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format = Image::FORMAT_YUV_444;
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} else {
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int div;
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if (px_fmt!=TH_PF_422) {
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div = 2;
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}
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bool rgba = true;
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if (rgba) {
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int pitch = 4;
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frame_data.resize(size.x * size.y * pitch);
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DVector<uint8_t>::Write w = frame_data.write();
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char* dst = (char*)w.ptr();
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uv_offset=(ti.pic_x/2)+(yuv[1].stride)*(ti.pic_y / div);
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for(int i=0;i<size.y;i++) {
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char *in_y = (char *)yuv[0].data+y_offset+yuv[0].stride*i;
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char *in_u = (char *)yuv[1].data+uv_offset+yuv[1].stride*(i/div);
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char *in_v = (char *)yuv[2].data+uv_offset+yuv[2].stride*(i/div);
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uint8_t *out = (uint8_t*)dst + (int)size.x * pitch * i;
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int ofs = 0;
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for (int j=0;j<size.x;j++) {
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uint8_t y, u, v;
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y = in_y[j];
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u = in_u[j/2];
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v = in_v[j/2];
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int32_t r = Math::fast_ftoi(1.164 * (y - 16) + 1.596 * (v - 128));
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int32_t g = Math::fast_ftoi(1.164 * (y - 16) - 0.813 * (v - 128) - 0.391 * (u - 128));
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int32_t b = Math::fast_ftoi(1.164 * (y - 16) + 2.018 * (u - 128));
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out[ofs++] = CLAMP(r, 0, 255);
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out[ofs++] = CLAMP(g, 0, 255);
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out[ofs++] = CLAMP(b, 0, 255);
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out[ofs++] = 255;
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}
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}
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format = Image::FORMAT_RGBA;
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} else {
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int pitch = 2;
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frame_data.resize(size.x * size.y * pitch);
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DVector<uint8_t>::Write w = frame_data.write();
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char* dst = (char*)w.ptr();
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uv_offset=(ti.pic_x/2)+(yuv[1].stride)*(ti.pic_y / div);
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for(int i=0;i<size.y;i++) {
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char *in_y = (char *)yuv[0].data+y_offset+yuv[0].stride*i;
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char *out = dst + (int)size.x * pitch * i;
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for (int j=0;j<size.x;j++)
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out[j*2] = in_y[j];
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char *in_u = (char *)yuv[1].data+uv_offset+yuv[1].stride*(i/div);
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char *in_v = (char *)yuv[2].data+uv_offset+yuv[2].stride*(i/div);
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for (int j=0;j<(int)size.x>>1;j++) {
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out[j*4+1] = in_u[j];
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out[j*4+3] = in_v[j];
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}
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}
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format = Image::FORMAT_YUV_422;
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};
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};
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// */
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frames_pending = 1;
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}
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void VideoStreamTheora::clear() {
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if (file_name == "")
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return;
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if(vorbis_p){
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ogg_stream_clear(&vo);
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if (vorbis_p >= 3) {
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vorbis_block_clear(&vb);
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vorbis_dsp_clear(&vd);
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};
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vorbis_comment_clear(&vc);
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vorbis_info_clear(&vi);
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vorbis_p = 0;
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}
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if(theora_p){
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ogg_stream_clear(&to);
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th_decode_free(td);
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th_comment_clear(&tc);
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th_info_clear(&ti);
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theora_p = 0;
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}
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ogg_sync_clear(&oy);
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file_name = "";
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theora_p = 0;
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vorbis_p = 0;
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videobuf_ready = 0;
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frames_pending = 0;
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videobuf_time = 0;
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playing = false;
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};
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void VideoStreamTheora::set_file(const String& p_file) {
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ogg_packet op;
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th_setup_info *ts = NULL;
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file_name = p_file;
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if (file) {
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memdelete(file);
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}
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file = FileAccess::open(p_file, FileAccess::READ);
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ERR_FAIL_COND(!file);
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audio_frames_wrote = 0;
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ogg_sync_init(&oy);
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/* init supporting Vorbis structures needed in header parsing */
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vorbis_info_init(&vi);
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vorbis_comment_init(&vc);
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/* init supporting Theora structures needed in header parsing */
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th_comment_init(&tc);
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th_info_init(&ti);
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/* Ogg file open; parse the headers */
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/* Only interested in Vorbis/Theora streams */
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int stateflag = 0;
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while(!stateflag){
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int ret=buffer_data();
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if(ret==0)break;
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while(ogg_sync_pageout(&oy,&og)>0){
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ogg_stream_state test;
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/* is this a mandated initial header? If not, stop parsing */
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if(!ogg_page_bos(&og)){
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/* don't leak the page; get it into the appropriate stream */
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queue_page(&og);
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stateflag=1;
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break;
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}
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ogg_stream_init(&test,ogg_page_serialno(&og));
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ogg_stream_pagein(&test,&og);
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ogg_stream_packetout(&test,&op);
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/* identify the codec: try theora */
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if(!theora_p && th_decode_headerin(&ti,&tc,&ts,&op)>=0){
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/* it is theora */
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copymem(&to,&test,sizeof(test));
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theora_p=1;
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}else if(!vorbis_p && vorbis_synthesis_headerin(&vi,&vc,&op)>=0){
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/* it is vorbis */
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copymem(&vo,&test,sizeof(test));
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vorbis_p=1;
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}else{
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/* whatever it is, we don't care about it */
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ogg_stream_clear(&test);
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}
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}
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/* fall through to non-bos page parsing */
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}
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/* we're expecting more header packets. */
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while((theora_p && theora_p<3) || (vorbis_p && vorbis_p<3)){
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int ret;
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/* look for further theora headers */
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while(theora_p && (theora_p<3) && (ret=ogg_stream_packetout(&to,&op))){
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if(ret<0){
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fprintf(stderr,"Error parsing Theora stream headers; "
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"corrupt stream?\n");
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clear();
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return;
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}
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if(!th_decode_headerin(&ti,&tc,&ts,&op)){
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fprintf(stderr,"Error parsing Theora stream headers; "
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"corrupt stream?\n");
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clear();
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return;
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}
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theora_p++;
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}
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/* look for more vorbis header packets */
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while(vorbis_p && (vorbis_p<3) && (ret=ogg_stream_packetout(&vo,&op))){
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if(ret<0){
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fprintf(stderr,"Error parsing Vorbis stream headers; corrupt stream?\n");
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clear();
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return;
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}
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ret = vorbis_synthesis_headerin(&vi,&vc,&op);
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if(ret){
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fprintf(stderr,"Error parsing Vorbis stream headers; corrupt stream?\n");
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clear();
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return;
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}
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vorbis_p++;
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if(vorbis_p==3)break;
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}
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/* The header pages/packets will arrive before anything else we
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care about, or the stream is not obeying spec */
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if(ogg_sync_pageout(&oy,&og)>0){
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queue_page(&og); /* demux into the appropriate stream */
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}else{
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int ret=buffer_data(); /* someone needs more data */
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if(ret==0){
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fprintf(stderr,"End of file while searching for codec headers.\n");
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clear();
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return;
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}
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}
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}
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/* and now we have it all. initialize decoders */
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if(theora_p){
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td=th_decode_alloc(&ti,ts);
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printf("Ogg logical stream %lx is Theora %dx%d %.02f fps",
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to.serialno,ti.pic_width,ti.pic_height,
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(double)ti.fps_numerator/ti.fps_denominator);
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px_fmt=ti.pixel_fmt;
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switch(ti.pixel_fmt){
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case TH_PF_420: printf(" 4:2:0 video\n"); break;
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case TH_PF_422: printf(" 4:2:2 video\n"); break;
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case TH_PF_444: printf(" 4:4:4 video\n"); break;
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case TH_PF_RSVD:
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default:
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printf(" video\n (UNKNOWN Chroma sampling!)\n");
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break;
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}
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if(ti.pic_width!=ti.frame_width || ti.pic_height!=ti.frame_height)
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printf(" Frame content is %dx%d with offset (%d,%d).\n",
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ti.frame_width, ti.frame_height, ti.pic_x, ti.pic_y);
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th_decode_ctl(td,TH_DECCTL_GET_PPLEVEL_MAX,&pp_level_max,
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sizeof(pp_level_max));
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pp_level=pp_level_max;
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th_decode_ctl(td,TH_DECCTL_SET_PPLEVEL,&pp_level,sizeof(pp_level));
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pp_inc=0;
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/*{
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int arg = 0xffff;
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th_decode_ctl(td,TH_DECCTL_SET_TELEMETRY_MBMODE,&arg,sizeof(arg));
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th_decode_ctl(td,TH_DECCTL_SET_TELEMETRY_MV,&arg,sizeof(arg));
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th_decode_ctl(td,TH_DECCTL_SET_TELEMETRY_QI,&arg,sizeof(arg));
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arg=10;
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th_decode_ctl(td,TH_DECCTL_SET_TELEMETRY_BITS,&arg,sizeof(arg));
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}*/
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int w;
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int h;
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w=(ti.pic_x+ti.frame_width+1&~1)-(ti.pic_x&~1);
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h=(ti.pic_y+ti.frame_height+1&~1)-(ti.pic_y&~1);
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size.x = w;
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size.y = h;
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}else{
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/* tear down the partial theora setup */
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th_info_clear(&ti);
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th_comment_clear(&tc);
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}
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th_setup_free(ts);
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if(vorbis_p){
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vorbis_synthesis_init(&vd,&vi);
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vorbis_block_init(&vd,&vb);
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fprintf(stderr,"Ogg logical stream %lx is Vorbis %d channel %ld Hz audio.\n",
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vo.serialno,vi.channels,vi.rate);
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_setup(vi.channels, vi.rate);
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}else{
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/* tear down the partial vorbis setup */
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vorbis_info_clear(&vi);
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vorbis_comment_clear(&vc);
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}
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playing = false;
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buffering=true;
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time=0;
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};
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float VideoStreamTheora::get_time() const {
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//print_line("total: "+itos(get_total())+" todo: "+itos(get_todo()));
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//return MAX(0,time-((get_total())/(float)vi.rate));
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return time-((get_total())/(float)vi.rate);
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};
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void VideoStreamTheora::update() {
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if (!playing) {
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//printf("not playing\n");
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return;
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};
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double ctime =AudioServer::get_singleton()->get_mix_time();
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if (last_update_time) {
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double delta = (ctime-last_update_time);
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time+=delta;
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//print_line("delta: "+rtos(delta));
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}
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last_update_time=ctime;
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int audio_todo = get_todo();
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ogg_packet op;
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int audio_pending = 0;
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while (vorbis_p && audio_todo) {
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int ret;
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float **pcm;
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/* if there's pending, decoded audio, grab it */
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if ((ret=vorbis_synthesis_pcmout(&vd,&pcm))>0) {
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audio_pending = ret;
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int16_t* out = get_write_buffer();
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int count = 0;
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int to_read = MIN(ret, audio_todo);
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for (int i=0; i<to_read; i++) {
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for(int j=0;j<vi.channels;j++){
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int val=Math::fast_ftoi(pcm[j][i]*32767.f);
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if(val>32767)val=32767;
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if(val<-32768)val=-32768;
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out[count++] = val;
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};
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};
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int tr = vorbis_synthesis_read(&vd, to_read);
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audio_todo -= to_read;
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audio_frames_wrote += to_read;
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write(to_read);
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audio_pending -= to_read;
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if (audio_todo==0)
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buffering=false;
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} else {
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/* no pending audio; is there a pending packet to decode? */
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if (ogg_stream_packetout(&vo,&op)>0){
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if(vorbis_synthesis(&vb,&op)==0) { /* test for success! */
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vorbis_synthesis_blockin(&vd,&vb);
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}
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} else { /* we need more data; break out to suck in another page */
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//printf("need moar data\n");
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break;
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};
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}
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}
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while(theora_p && !videobuf_ready){
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/* theora is one in, one out... */
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if(ogg_stream_packetout(&to,&op)>0){
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if(pp_inc){
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pp_level+=pp_inc;
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th_decode_ctl(td,TH_DECCTL_SET_PPLEVEL,&pp_level,
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sizeof(pp_level));
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pp_inc=0;
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}
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/*HACK: This should be set after a seek or a gap, but we might not have
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a granulepos for the first packet (we only have them for the last
|
|
packet on a page), so we just set it as often as we get it.
|
|
To do this right, we should back-track from the last packet on the
|
|
page and compute the correct granulepos for the first packet after
|
|
a seek or a gap.*/
|
|
if(op.granulepos>=0){
|
|
th_decode_ctl(td,TH_DECCTL_SET_GRANPOS,&op.granulepos,
|
|
sizeof(op.granulepos));
|
|
}
|
|
ogg_int64_t videobuf_granulepos;
|
|
if(th_decode_packetin(td,&op,&videobuf_granulepos)==0){
|
|
videobuf_time=th_granule_time(td,videobuf_granulepos);
|
|
//printf("frame time %f, play time %f, ready %i\n", (float)videobuf_time, get_time(), videobuf_ready);
|
|
|
|
/* is it already too old to be useful? This is only actually
|
|
useful cosmetically after a SIGSTOP. Note that we have to
|
|
decode the frame even if we don't show it (for now) due to
|
|
keyframing. Soon enough libtheora will be able to deal
|
|
with non-keyframe seeks. */
|
|
|
|
if(videobuf_time>=get_time())
|
|
videobuf_ready=1;
|
|
else{
|
|
/*If we are too slow, reduce the pp level.*/
|
|
pp_inc=pp_level>0?-1:0;
|
|
}
|
|
}
|
|
|
|
} else
|
|
break;
|
|
}
|
|
|
|
if (/*!videobuf_ready && */ audio_pending == 0 && file->eof_reached()) {
|
|
printf("video done, stopping\n");
|
|
stop();
|
|
return;
|
|
};
|
|
|
|
if (!videobuf_ready || audio_todo > 0){
|
|
/* no data yet for somebody. Grab another page */
|
|
|
|
buffer_data();
|
|
while(ogg_sync_pageout(&oy,&og)>0){
|
|
queue_page(&og);
|
|
}
|
|
}
|
|
|
|
/* If playback has begun, top audio buffer off immediately. */
|
|
//if(stateflag) audio_write_nonblocking();
|
|
|
|
/* are we at or past time for this video frame? */
|
|
if(videobuf_ready && videobuf_time<=get_time()){
|
|
|
|
video_write();
|
|
videobuf_ready=0;
|
|
} else {
|
|
//printf("frame at %f not ready (time %f), ready %i\n", (float)videobuf_time, get_time(), videobuf_ready);
|
|
}
|
|
|
|
float tdiff=videobuf_time-get_time();
|
|
/*If we have lots of extra time, increase the post-processing level.*/
|
|
if(tdiff>ti.fps_denominator*0.25/ti.fps_numerator){
|
|
pp_inc=pp_level<pp_level_max?1:0;
|
|
}
|
|
else if(tdiff<ti.fps_denominator*0.05/ti.fps_numerator){
|
|
pp_inc=pp_level>0?-1:0;
|
|
}
|
|
};
|
|
|
|
bool VideoStreamTheora::_can_mix() const {
|
|
|
|
return !buffering;
|
|
};
|
|
|
|
void VideoStreamTheora::play() {
|
|
|
|
if (!playing)
|
|
last_update_time=0;
|
|
playing = true;
|
|
};
|
|
|
|
void VideoStreamTheora::stop() {
|
|
|
|
playing = false;
|
|
last_update_time=0;
|
|
};
|
|
|
|
bool VideoStreamTheora::is_playing() const {
|
|
|
|
return playing;
|
|
};
|
|
|
|
void VideoStreamTheora::set_paused(bool p_paused) {
|
|
|
|
playing = !p_paused;
|
|
};
|
|
|
|
bool VideoStreamTheora::is_paused(bool p_paused) const {
|
|
|
|
return playing;
|
|
};
|
|
|
|
void VideoStreamTheora::set_loop(bool p_enable) {
|
|
|
|
};
|
|
|
|
bool VideoStreamTheora::has_loop() const {
|
|
|
|
return false;
|
|
};
|
|
|
|
float VideoStreamTheora::get_length() const {
|
|
|
|
return 0;
|
|
};
|
|
|
|
String VideoStreamTheora::get_stream_name() const {
|
|
|
|
return "";
|
|
};
|
|
|
|
int VideoStreamTheora::get_loop_count() const {
|
|
|
|
return 0;
|
|
};
|
|
|
|
float VideoStreamTheora::get_pos() const {
|
|
|
|
return get_time();
|
|
};
|
|
|
|
void VideoStreamTheora::seek_pos(float p_time) {
|
|
|
|
// no
|
|
};
|
|
|
|
VideoStreamTheora::VideoStreamTheora() {
|
|
|
|
file = NULL;
|
|
theora_p = 0;
|
|
vorbis_p = 0;
|
|
videobuf_ready = 0;
|
|
playing = false;
|
|
frames_pending = 0;
|
|
videobuf_time = 0;
|
|
last_update_time =0;
|
|
buffering=false;
|
|
};
|
|
|
|
VideoStreamTheora::~VideoStreamTheora() {
|
|
|
|
clear();
|
|
|
|
if (file)
|
|
memdelete(file);
|
|
};
|
|
|
|
|
|
RES ResourceFormatLoaderVideoStreamTheora::load(const String &p_path,const String& p_original_path) {
|
|
|
|
VideoStreamTheora *stream = memnew(VideoStreamTheora);
|
|
stream->set_file(p_path);
|
|
return Ref<VideoStreamTheora>(stream);
|
|
}
|
|
|
|
void ResourceFormatLoaderVideoStreamTheora::get_recognized_extensions(List<String> *p_extensions) const {
|
|
|
|
p_extensions->push_back("ogm");
|
|
p_extensions->push_back("ogv");
|
|
}
|
|
bool ResourceFormatLoaderVideoStreamTheora::handles_type(const String& p_type) const {
|
|
return (p_type=="AudioStream" || p_type=="VideoStreamTheora");
|
|
}
|
|
|
|
String ResourceFormatLoaderVideoStreamTheora::get_resource_type(const String &p_path) const {
|
|
|
|
String exl=p_path.extension().to_lower();
|
|
if (exl=="ogm" || exl=="ogv")
|
|
return "AudioStreamTheora";
|
|
return "";
|
|
}
|
|
|
|
#endif
|