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    How to make Opera 41 to play H264 video on windows?

    Opera for Windows
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    • sgunhouse
      sgunhouse Moderator Volunteer last edited by

      Version of Windows?

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      • leocg
        leocg Moderator Volunteer last edited by

        If you try to open a local mp4 video encoded with h264 in Opera, does it play?

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        • alexzhu111
          alexzhu111 last edited by

          @sgunhouse OS is win 7.opera version is 41.

          @leocg ,it does not play,for example ,also can't playback twitter video.
          I notice @avl ever said,on Windows platform,Opera need system natively decode support,does it mean HW decode accelerate?or mean software decode on OS?

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          • leocg
            leocg Moderator Volunteer last edited by

            Opera need system natively decode support,does it mean HW decode accelerate?or mean software decode on OS?

            It means that Windows Media Player (or whatever media player that comes with Windows) should be able to play the file encoded in h264 without needing any codec pack to be installed.

            OS is win 7

            Win7 should be able to play h264 videos.

            It's 32 or 64 bits? Your graphic cards supports hardware acceleration?

            Try taking a look at opera://media-internals/ while playing a video (or trying to play), it may bring some info to you.

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            • alexzhu111
              alexzhu111 last edited by

              Hi,Legco.
              My WMP can play MP4 which encoded in H264,but still opera can't.
              Here is opera://media-internals/ info:

              "render_id: 172
              player_id: 1
              pipeline_state: kStopped
              event: WEBMEDIAPLAYER_DESTROYED
              url: http://h264.code-shop.com/demo/apache/workers_world_co64_box64.mp4?start=0&end=60
              total_bytes: 50265908
              streaming: false
              single_origin: true
              passed_cors_access_check: false
              range_header_supported: true
              pipeline_error: pipeline: initialization failed"

              it display "initialization failed"

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              • alexzhu111
                alexzhu111 last edited by

                My win7 is 64 bits and my graphic card is intel HD Graphics 4600 which does not support HW acceleration

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                • leocg
                  leocg Moderator Volunteer last edited by

                  My WMP can play MP4 which encoded in H264

                  And you never installed any codec?

                  my graphic card is intel HD Graphics 4600 which does not support HW acceleration

                  Yes, it does support.

                  it display "initialization failed"

                  Does opera://gpu shows any error message? Do you see a GPU process in Opera's task manager?

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                  • alexzhu111
                    alexzhu111 last edited by

                    I just installed FFmpeg/FFDshow codec to try if they could work H264 with Opera ,Do you mean I will unintall them ?

                    GPU was loaded successfully,I have seen the GPU process

                    "Problems Detected
                    Some drivers are unable to reset the D3D device in the GPU process sandbox
                    Applied Workarounds: exit_on_context_lost
                    TexSubImage is faster for full uploads on ANGLE
                    Applied Workarounds: texsubimage_faster_than_teximage
                    Clear uniforms before first program use on all platforms: 124764, 349137
                    Applied Workarounds: clear_uniforms_before_first_program_use
                    Always rewrite vec/mat constructors to be consistent: 398694
                    Applied Workarounds: scalarize_vec_and_mat_constructor_args
                    ANGLE crash on glReadPixels from incomplete cube map texture: 518889
                    Applied Workarounds: force_cube_complete
                    On Intel GPUs MSAA performance is not acceptable for GPU rasterization: 527565
                    Applied Workarounds: disable_msaa_on_non_webgl_contexts
                    Framebuffer discarding can hurt performance on non-tilers: 570897
                    Applied Workarounds: disable_discard_framebuffer
                    Direct composition flashes black initially on Win <10: 588588
                    Applied Workarounds: disable_direct_composition
                    Accelerated rasterization has been disabled, either via about:flags or command line.
                    Disabled Features: rasterization
                    Native GpuMemoryBuffers have been disabled, either via about:flags or command line.
                    Disabled Features: native_gpu_memory_buffers"

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                    • burnout426
                      burnout426 Volunteer last edited by

                      If there's a setting change that's causing the problem, going to opera://flags and resetting might fix things.

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                      • leocg
                        leocg Moderator Volunteer last edited by

                        I just installed FFmpeg/FFDshow codec to try if they could work H264 with Opera

                        Opera can't use them as far as I know.

                        Do you mean I will unintall them ?

                        No, I mean that Opera can only play H264 (and some other codecs) if Windows can play them natively. In other words, Windows should be able to play those codecs just after having been installed.

                        Problems Detected

                        Did you check the whole page? Real problems are usually listed on the bottom of the page?

                        Also, are the items under 'Graphics Feature Status' with 'hardware accelerated' status? At least most of them.

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