Set AVDISCARD_ALL flag for disabled streams in FFmpegDemuxer

Set AVDISCARD_ALL flag for disabled streams in FFmpegDemuxer

The AVDISCARD_ALL flag allows FFmpeg to not care about key frames for
disabled streams, which results in less data being read from the data
source as new tests demonstrate.

BUG=157993
Review-Url: https://codereview.chromium.org/2736073002
Cr-Commit-Position: refs/heads/master@{#455370}
Committed: https://chromium.googlesource.com/chromium/src/+/e67994a48c6c65cfef9f92ebda32baf0cf4d7018

[servolk, 2017-03-07 19:33:16]

The CQ bit was checked by servolk@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-07 19:35:02]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[servolk, 2017-03-08 00:23:24]

Description was changed from

==========
Set AVDISCARD_ALL flag for disabled streams in FFmpegDemuxer

BUG=157993
==========

to

==========
Set AVDISCARD_ALL flag for disabled streams in FFmpegDemuxer

BUG=157993
==========

[servolk, 2017-03-08 00:23:24]

servolk@chromium.org changed reviewers:
+ dalecurtis@chromium.org, hubbe@chromium.org

[servolk, 2017-03-08 00:59:34]

The CQ bit was checked by servolk@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-08 01:00:49]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[servolk, 2017-03-08 01:05:27]

servolk@chromium.org changed reviewers:
+ tguilbert@chromium.org

[servolk, 2017-03-08 01:25:18]

Description was changed from

==========
Set AVDISCARD_ALL flag for disabled streams in FFmpegDemuxer

BUG=157993
==========

to

==========
Set AVDISCARD_ALL flag for disabled streams in FFmpegDemuxer

The AVDISCARD_ALL flag allows FFmpeg to not care about key frames for
disabled streams, which results in less data being read from the data
source as new tests demonstrate.

BUG=157993
==========

[DaleCurtis, 2017-03-08 01:34:20]

lgtm, thanks for putting this together so quickly!

[hubbe, 2017-03-08 01:35:14]

lgtm

[servolk, 2017-03-08 01:39:07]

The CQ bit was unchecked by servolk@chromium.org

[servolk, 2017-03-08 01:39:08]

The CQ bit was checked by servolk@chromium.org

[commit-bot: I haz the power, 2017-03-08 01:39:39]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-03-08 03:23:16]

CQ is committing da patch.

Bot data: {"patchset_id": 80001, "attempt_start_ts": 1488937148442000,
"parent_rev": "c92f1517e737b962c2c17a194eee568e8b2d45d0", "commit_rev":
"e67994a48c6c65cfef9f92ebda32baf0cf4d7018"}

[commit-bot: I haz the power, 2017-03-08 03:24:10]

Description was changed from

==========
Set AVDISCARD_ALL flag for disabled streams in FFmpegDemuxer

The AVDISCARD_ALL flag allows FFmpeg to not care about key frames for
disabled streams, which results in less data being read from the data
source as new tests demonstrate.

BUG=157993
==========

to

==========
Set AVDISCARD_ALL flag for disabled streams in FFmpegDemuxer

The AVDISCARD_ALL flag allows FFmpeg to not care about key frames for
disabled streams, which results in less data being read from the data
source as new tests demonstrate.

BUG=157993

Review-Url: https://codereview.chromium.org/2736073002
Cr-Commit-Position: refs/heads/master@{#455370}
Committed:
https://chromium.googlesource.com/chromium/src/+/e67994a48c6c65cfef9f92ebda32...
==========

[commit-bot: I haz the power, 2017-03-08 03:24:11]

Committed patchset #5 (id:80001) as
https://chromium.googlesource.com/chromium/src/+/e67994a48c6c65cfef9f92ebda32...