[media] Support progressive playback

This PR brings the progressive demuxer from Cobalt C25 to support progressive videos. b/322033277
youtube · Nov 14, 2024 · 3f95cde · 3f95cde
1 parent 1740e9a
commit 3f95cde
Show file tree

Hide file tree

Showing 27 changed files with 7,861 additions and 0 deletions.
diff --git a/media/base/decoder_buffer.h b/media/base/decoder_buffer.h
@@ -266,6 +266,7 @@ class MEDIA_EXPORT DecoderBuffer
   // If there's no data in this buffer, it represents end of stream.
 #if BUILDFLAG(USE_STARBOARD_MEDIA)
   bool end_of_stream() const { return !data_; }
+  void shrink_to(size_t size) { DCHECK_LE(size, size_); size_ = size; }
 #else // BUILDFLAG(USE_STARBOARD_MEDIA)
   bool end_of_stream() const {
     return !read_only_mapping_.IsValid() && !writable_mapping_.IsValid() &&

diff --git a/media/filters/demuxer_manager.cc b/media/filters/demuxer_manager.cc
@@ -152,6 +152,7 @@ DemuxerManager::DemuxerManager(
       enable_instant_source_buffer_gc_(enable_instant_source_buffer_gc),
       demuxer_override_(std::move(demuxer_override)) {
   DCHECK(client_);
+  LOG(ERROR) << "Cobalt " << __func__;
 }
 
 DemuxerManager::~DemuxerManager() {
@@ -372,6 +373,7 @@ PipelineStatus DemuxerManager::CreateDemuxer(
     DataSource::Preload preload,
     bool has_poster,
     DemuxerManager::DemuxerCreatedCB on_demuxer_created) {
+  LOG(ERROR) << "Cobalt " << __func__;
   // TODO(crbug/1377053) return a better error
   if (!client_) {
     return DEMUXER_ERROR_COULD_NOT_OPEN;
@@ -408,11 +410,14 @@ PipelineStatus DemuxerManager::CreateDemuxer(
     SetDemuxer(std::move(demuxer_override_));
   } else if (!load_media_source) {
 #if BUILDFLAG(ENABLE_FFMPEG)
+    LOG(ERROR) << "Cobalt " << __func__;
     SetDemuxer(CreateFFmpegDemuxer());
 #else
+    LOG(ERROR) << "Cobalt " << __func__;
     return DEMUXER_ERROR_COULD_NOT_OPEN;
 #endif
   } else {
+    LOG(ERROR) << "Cobalt " << __func__;
     DCHECK(!HasDataSource());
     SetDemuxer(CreateChunkDemuxer());
     is_static = false;

diff --git a/media/filters/ffmpeg_demuxer.cc b/media/filters/ffmpeg_demuxer.cc
@@ -924,6 +924,7 @@ FFmpegDemuxer::FFmpegDemuxer(
   DCHECK(task_runner_.get());
   DCHECK(data_source_);
   DCHECK(media_tracks_updated_cb_);
+  LOG(ERROR) << "Cobalt " << __func__;
 }
 
 FFmpegDemuxer::~FFmpegDemuxer() {

diff --git a/media/starboard/BUILD.gn b/media/starboard/BUILD.gn
@@ -66,6 +66,24 @@ source_set("starboard") {
       "decoder_buffer_allocator.cc",
       "decoder_buffer_allocator.h",
       "decoder_buffer_memory_info.h",
+      "progressive/avc_access_unit.cc",
+      "progressive/avc_access_unit.h",
+      "progressive/avc_parser.cc",
+      "progressive/avc_parser.h",
+      "progressive/data_source_reader.cc",
+      "progressive/data_source_reader.h",
+      "progressive/demuxer_extension_wrapper.cc",
+      "progressive/demuxer_extension_wrapper.h",
+      "progressive/mp4_map.cc",
+      "progressive/mp4_map.h",
+      "progressive/mp4_parser.cc",
+      "progressive/mp4_parser.h",
+      "progressive/progressive_demuxer.cc",
+      "progressive/progressive_demuxer.h",
+      "progressive/progressive_parser.cc",
+      "progressive/progressive_parser.h",
+      "progressive/rbsp_stream.cc",
+      "progressive/rbsp_stream.h",
       "sbplayer_bridge.cc",
       "sbplayer_bridge.h",
       "sbplayer_interface.cc",
@@ -88,6 +106,10 @@ source_set("starboard") {
     "//starboard/common",
   ]
 
+  if (use_starboard_media) {
+    deps += [ "//third_party/abseil-cpp:absl" ]
+  }
+
   configs += [ "//media:subcomponent_config" ]
 }
 
@@ -97,6 +119,9 @@ source_set("unit_tests") {
   if (use_starboard_media) {
     sources += [
       "bidirectional_fit_reuse_allocator_test.cc",
+      "progressive/mock_data_source_reader.h",
+      "progressive/mp4_map_unittest.cc",
+      "progressive/rbsp_stream_unittest.cc",
       "starboard_utils_test.cc",
     ]
   }