third_party/ffmpeg/README.chromium - Issue 56129: Update public FFmpeg header files from r16647 to r18286.

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Issue 56129: Update public FFmpeg header files from r16647 to r18286. (Closed)

Patch Set: Created 11 years, 8 months ago

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1 This contains FFmpeg's public header files from the output of a "make install"	1 This contains FFmpeg's public header files from the output of a "make install"

2 command. The header files are from FFmpeg revision 16647.	2 command. The header files are from FFmpeg revision 18286.

3	3

4 Steps to reproduce:	4 Steps to reproduce:

5 1) If on Windows, refer to http://ffmpeg.arrozcru.org for environment setup	5 1) If on Windows, refer to http://ffmpeg.arrozcru.org for environment setup

6 2) Check out FFmpeg from their repository	6 2) Check out FFmpeg from their repository

7 3) ./configure --prefix=/path/to/chrome/src/third_party/ffmpeg	7 3) ./configure --prefix=/path/to/chrome/src/third_party/ffmpeg

8 4) make && make install	8 4) make && make install

9 5) Remove bin and lib folders, leaving the include folder behind	9 5) Remove bin and lib folders, leaving the include folder behind

10	10

11 The project contains some hand-written DEF files used to generate import	11 The project contains some hand-written DEF files used to generate import

12 libraries to permit dynamically loading FFmpeg. The libaries are linked in	12 libraries to permit dynamically loading FFmpeg. The libaries are linked in

13 using /DELAYLOAD to avoid having the DLLs present at run-time.	13 using /DELAYLOAD to avoid having the DLLs present at run-time.

14	14

15 We don't use the import libraries generated from building FFmpeg because they	15 We don't use the import libraries generated from building FFmpeg because they

16 export every method by ordinal, which makes binary compatability with different	16 export every method by ordinal, which makes binary compatability with different

17 builds of FFmpeg difficult if not impossible. Furthermore, it is much easier	17 builds of FFmpeg difficult if not impossible. Furthermore, it is much easier

18 to update a DEF file instead of rebuilding FFmpeg to generate new import	18 to update a DEF file instead of rebuilding FFmpeg to generate new import

19 libraries.	19 libraries.

20	20

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