www-client/chromium: use system ffmpeg

This is based on patch by Andreas Cadhalpun
from https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=763632#29

Also dropping ~arm.

Package-Manager: portage-2.2.20.1

1 files changed, 54 insertions, 0 deletions

diff --git a/www-client/chromium/files/chromium-system-ffmpeg-r0.patch b/www-client/chromium/files/chromium-system-ffmpeg-r0.patch
new file mode 100644
index 00000000000..667e0ecb2a7
--- /dev/null
+++ b/www-client/chromium/files/chromium-system-ffmpeg-r0.patch
@@ -0,0 +1,54 @@
+diff --git a/media/ffmpeg/ffmpeg_common.h b/media/ffmpeg/ffmpeg_common.h
+index 677bd76..23a21f8 100644
+--- a/media/ffmpeg/ffmpeg_common.h
++++ b/media/ffmpeg/ffmpeg_common.h
+@@ -19,20 +19,12 @@
+ 
+ // Include FFmpeg header files.
+ extern "C" {
+-// Disable deprecated features which result in spammy compile warnings.  This
+-// list of defines must mirror those in the 'defines' section of the ffmpeg.gyp
+-// file or the headers below will generate different structures.
+-#define FF_API_PIX_FMT_DESC 0
+-#define FF_API_OLD_DECODE_AUDIO 0
+-#define FF_API_DESTRUCT_PACKET 0
+-#define FF_API_GET_BUFFER 0
+ 
+ // Temporarily disable possible loss of data warning.
+ // TODO(scherkus): fix and upstream the compiler warnings.
+ MSVC_PUSH_DISABLE_WARNING(4244);
+ #include <libavcodec/avcodec.h>
+ #include <libavformat/avformat.h>
+-#include <libavformat/internal.h>
+ #include <libavformat/avio.h>
+ #include <libavutil/avutil.h>
+ #include <libavutil/imgutils.h>
+diff --git a/media/filters/ffmpeg_demuxer.cc b/media/filters/ffmpeg_demuxer.cc
+index 155e980..7ba327a 100644
+--- a/media/filters/ffmpeg_demuxer.cc
++++ b/media/filters/ffmpeg_demuxer.cc
+@@ -966,24 +966,6 @@ void FFmpegDemuxer::OnFindStreamInfoDone(const PipelineStatusCB& status_cb,
+   // If no estimate is found, the stream entry will be kInfiniteDuration().
+   std::vector<base::TimeDelta> start_time_estimates(format_context->nb_streams,
+                                                     kInfiniteDuration());
+-  const AVFormatInternal* internal = format_context->internal;
+-  if (internal && internal->packet_buffer &&
+-      format_context->start_time != static_cast<int64>(AV_NOPTS_VALUE)) {
+-    struct AVPacketList* packet_buffer = internal->packet_buffer;
+-    while (packet_buffer != internal->packet_buffer_end) {
+-      DCHECK_LT(static_cast<size_t>(packet_buffer->pkt.stream_index),
+-                start_time_estimates.size());
+-      const AVStream* stream =
+-          format_context->streams[packet_buffer->pkt.stream_index];
+-      if (packet_buffer->pkt.pts != static_cast<int64>(AV_NOPTS_VALUE)) {
+-        const base::TimeDelta packet_pts =
+-            ConvertFromTimeBase(stream->time_base, packet_buffer->pkt.pts);
+-        if (packet_pts < start_time_estimates[stream->index])
+-          start_time_estimates[stream->index] = packet_pts;
+-      }
+-      packet_buffer = packet_buffer->next;
+-    }
+-  }
+ 
+   AVStream* audio_stream = NULL;
+   AudioDecoderConfig audio_config;