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Delete EncodedImage::GetBufferPaddingBytes

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For the ffmpeg H.264 decoder, rely on ffmpeg being configured with
CONFIG_SAFE_BITSTREAM_READER.

Bug: webrtc:9378
Change-Id: Ia7a46580d520808e36581252a95feeb5f9c57bf9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/119665
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27124}
This commit is contained in:
Niels Möller
2019-03-08 11:26:58 +01:00
committed by Commit Bot
parent 1f4173e420
commit 009ab3c438
9 changed files with 22 additions and 50 deletions
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10
modules/video_coding/frame_object.cc
View File

@ -167,14 +167,8 @@ absl::optional<FrameMarking> RtpFrameObject::GetFrameMarking() const {
}
void RtpFrameObject::AllocateBitstreamBuffer(size_t frame_size) {
// Since FFmpeg use an optimized bitstream reader that reads in chunks of
// 32/64 bits we have to add at least that much padding to the buffer
// to make sure the decoder doesn't read out of bounds.
size_t new_size = frame_size + (codec_type_ == kVideoCodecH264
? EncodedImage::kBufferPaddingBytesH264
: 0);
if (capacity() < new_size) {
Allocate(new_size);
if (capacity() < frame_size) {
Allocate(frame_size);
}
set_size(frame_size);