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‎doc/html/genindex.html

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@@ -170,6 +170,10 @@ <h2 id="R">R</h2>
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<table style="width: 100%" class="indextable genindextable"><tr>
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<td style="width: 33%; vertical-align: top;"><ul>
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<li><a href="index.html#ffmpeg.run">run() (in module ffmpeg)</a>
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</li>
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</ul></td>
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<td style="width: 33%; vertical-align: top;"><ul>
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<li><a href="index.html#ffmpeg.run_async">run_async() (in module ffmpeg)</a>
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</li>
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</ul></td>
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</tr></table>

‎doc/html/index.html

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@@ -569,7 +569,7 @@ <h1>ffmpeg-python: Python bindings for FFmpeg<a class="headerlink" href="#ffmpeg
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<dl class="function">
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<dt id="ffmpeg.run">
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<code class="descclassname">ffmpeg.</code><code class="descname">run</code><span class="sig-paren">(</span><em>stream_spec</em>, <em>cmd='ffmpeg'</em>, <em>capture_stdout=False</em>, <em>capture_stderr=False</em>, <em>input=None</em>, <em>quiet=False</em>, <em>overwrite_output=False</em><span class="sig-paren">)</span><a class="headerlink" href="#ffmpeg.run" title="Permalink to this definition"></a></dt>
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<dd><p>Ivoke ffmpeg for the supplied node graph.</p>
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<dd><p>Invoke ffmpeg for the supplied node graph.</p>
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<table class="docutils field-list" frame="void" rules="none">
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<col class="field-name" />
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<col class="field-body" />
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<p>Returns: (out, err) tuple containing captured stdout and stderr data.</p>
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</dd></dl>
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<dl class="function">
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<dt id="ffmpeg.run_async">
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<code class="descclassname">ffmpeg.</code><code class="descname">run_async</code><span class="sig-paren">(</span><em>stream_spec</em>, <em>cmd='ffmpeg'</em>, <em>pipe_stdin=False</em>, <em>pipe_stdout=False</em>, <em>pipe_stderr=False</em>, <em>quiet=False</em>, <em>overwrite_output=False</em><span class="sig-paren">)</span><a class="headerlink" href="#ffmpeg.run_async" title="Permalink to this definition"></a></dt>
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<dd><p>Asynchronously invoke ffmpeg for the supplied node graph.</p>
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<table class="docutils field-list" frame="void" rules="none">
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<col class="field-name" />
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<col class="field-body" />
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<tbody valign="top">
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<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
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<li><strong>pipe_stdin</strong> – if True, connect pipe to subprocess stdin (to be
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used with <code class="docutils literal notranslate"><span class="pre">pipe:</span></code> ffmpeg inputs).</li>
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<li><strong>pipe_stdout</strong> – if True, connect pipe to subprocess stdout (to be
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used with <code class="docutils literal notranslate"><span class="pre">pipe:</span></code> ffmpeg outputs).</li>
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<li><strong>pipe_stderr</strong> – if True, connect pipe to subprocess stderr.</li>
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<li><strong>quiet</strong> – shorthand for setting <code class="docutils literal notranslate"><span class="pre">capture_stdout</span></code> and
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<code class="docutils literal notranslate"><span class="pre">capture_stderr</span></code>.</li>
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<li><strong>**kwargs</strong> – keyword-arguments passed to <code class="docutils literal notranslate"><span class="pre">get_args()</span></code> (e.g.
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<code class="docutils literal notranslate"><span class="pre">overwrite_output=True</span></code>).</li>
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</ul>
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</td>
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</tr>
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<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">A <a class="reference external" href="https://docs.python.org/3/library/subprocess.html#popen-objects">subprocess Popen</a> object representing the child process.</p>
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</td>
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</tr>
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</tbody>
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</table>
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<p class="rubric">Examples</p>
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<p>Run and stream input:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">process</span> <span class="o">=</span> <span class="p">(</span>
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<span class="n">ffmpeg</span>
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<span class="o">.</span><span class="n">input</span><span class="p">(</span><span class="s1">&#39;pipe:&#39;</span><span class="p">,</span> <span class="nb">format</span><span class="o">=</span><span class="s1">&#39;rawvideo&#39;</span><span class="p">,</span> <span class="n">pix_fmt</span><span class="o">=</span><span class="s1">&#39;rgb24&#39;</span><span class="p">,</span> <span class="n">s</span><span class="o">=</span><span class="s1">&#39;</span><span class="si">{}</span><span class="s1">x</span><span class="si">{}</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="n">height</span><span class="p">))</span>
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<span class="o">.</span><span class="n">output</span><span class="p">(</span><span class="n">out_filename</span><span class="p">,</span> <span class="n">pix_fmt</span><span class="o">=</span><span class="s1">&#39;yuv420p&#39;</span><span class="p">)</span>
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<span class="o">.</span><span class="n">overwrite_output</span><span class="p">()</span>
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<span class="o">.</span><span class="n">run_async</span><span class="p">(</span><span class="n">pipe_stdin</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
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<span class="p">)</span>
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<span class="n">process</span><span class="o">.</span><span class="n">communicate</span><span class="p">(</span><span class="nb">input</span><span class="o">=</span><span class="n">input_data</span><span class="p">)</span>
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</pre></div>
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</div>
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<p>Run and capture output:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">process</span> <span class="o">=</span> <span class="p">(</span>
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<span class="n">ffmpeg</span>
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<span class="o">.</span><span class="n">input</span><span class="p">(</span><span class="n">in_filename</span><span class="p">)</span>
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<span class="o">.</span><span class="n">output</span><span class="p">(</span><span class="s1">&#39;pipe&#39;</span><span class="p">:,</span> <span class="nb">format</span><span class="o">=</span><span class="s1">&#39;rawvideo&#39;</span><span class="p">,</span> <span class="n">pix_fmt</span><span class="o">=</span><span class="s1">&#39;rgb24&#39;</span><span class="p">)</span>
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<span class="o">.</span><span class="n">run_async</span><span class="p">(</span><span class="n">pipe_stdout</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">pipe_stderr</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
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<span class="p">)</span>
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<span class="n">out</span><span class="p">,</span> <span class="n">err</span> <span class="o">=</span> <span class="n">process</span><span class="o">.</span><span class="n">communicate</span><span class="p">()</span>
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</pre></div>
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</div>
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<p>Process video frame-by-frame using numpy:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">process1</span> <span class="o">=</span> <span class="p">(</span>
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<span class="n">ffmpeg</span>
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<span class="o">.</span><span class="n">input</span><span class="p">(</span><span class="n">in_filename</span><span class="p">)</span>
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<span class="o">.</span><span class="n">output</span><span class="p">(</span><span class="s1">&#39;pipe:&#39;</span><span class="p">,</span> <span class="nb">format</span><span class="o">=</span><span class="s1">&#39;rawvideo&#39;</span><span class="p">,</span> <span class="n">pix_fmt</span><span class="o">=</span><span class="s1">&#39;rgb24&#39;</span><span class="p">)</span>
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<span class="o">.</span><span class="n">run_async</span><span class="p">(</span><span class="n">pipe_stdout</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
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<span class="p">)</span>
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<span class="n">process2</span> <span class="o">=</span> <span class="p">(</span>
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<span class="n">ffmpeg</span>
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<span class="o">.</span><span class="n">input</span><span class="p">(</span><span class="s1">&#39;pipe:&#39;</span><span class="p">,</span> <span class="nb">format</span><span class="o">=</span><span class="s1">&#39;rawvideo&#39;</span><span class="p">,</span> <span class="n">pix_fmt</span><span class="o">=</span><span class="s1">&#39;rgb24&#39;</span><span class="p">,</span> <span class="n">s</span><span class="o">=</span><span class="s1">&#39;</span><span class="si">{}</span><span class="s1">x</span><span class="si">{}</span><span class="s1">&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">width</span><span class="p">,</span> <span class="n">height</span><span class="p">))</span>
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<span class="o">.</span><span class="n">output</span><span class="p">(</span><span class="n">out_filename</span><span class="p">,</span> <span class="n">pix_fmt</span><span class="o">=</span><span class="s1">&#39;yuv420p&#39;</span><span class="p">)</span>
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<span class="o">.</span><span class="n">overwrite_output</span><span class="p">()</span>
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<span class="o">.</span><span class="n">run_async</span><span class="p">(</span><span class="n">pipe_stdin</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
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<span class="p">)</span>
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<span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
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<span class="n">in_bytes</span> <span class="o">=</span> <span class="n">process1</span><span class="o">.</span><span class="n">stdout</span><span class="o">.</span><span class="n">read</span><span class="p">(</span><span class="n">width</span> <span class="o">*</span> <span class="n">height</span> <span class="o">*</span> <span class="mi">3</span><span class="p">)</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="n">in_bytes</span><span class="p">:</span>
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<span class="k">break</span>
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<span class="n">in_frame</span> <span class="o">=</span> <span class="p">(</span>
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<span class="n">np</span>
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<span class="o">.</span><span class="n">frombuffer</span><span class="p">(</span><span class="n">in_bytes</span><span class="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span>
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<span class="o">.</span><span class="n">reshape</span><span class="p">([</span><span class="n">height</span><span class="p">,</span> <span class="n">width</span><span class="p">,</span> <span class="mi">3</span><span class="p">])</span>
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<span class="p">)</span>
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<span class="n">out_frame</span> <span class="o">=</span> <span class="n">in_frame</span> <span class="o">*</span> <span class="mf">0.3</span>
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<span class="n">process2</span><span class="o">.</span><span class="n">stdin</span><span class="o">.</span><span class="n">write</span><span class="p">(</span>
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<span class="n">frame</span>
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<span class="o">.</span><span class="n">astype</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span>
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<span class="o">.</span><span class="n">tobytes</span><span class="p">()</span>
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<span class="p">)</span>
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<span class="n">process2</span><span class="o">.</span><span class="n">stdin</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
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<span class="n">process1</span><span class="o">.</span><span class="n">wait</span><span class="p">()</span>
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<span class="n">process2</span><span class="o">.</span><span class="n">wait</span><span class="p">()</span>
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</pre></div>
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</div>
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</dd></dl>
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<dl class="function">
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<dt id="ffmpeg.view">
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<code class="descclassname">ffmpeg.</code><code class="descname">view</code><span class="sig-paren">(</span><em>stream_spec</em>, <em>detail=False</em>, <em>filename=None</em>, <em>pipe=False</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#ffmpeg.view" title="Permalink to this definition"></a></dt>
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<dd></dd></dl>
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<dl class="function">
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<dt id="ffmpeg.probe">
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<code class="descclassname">ffmpeg.</code><code class="descname">probe</code><span class="sig-paren">(</span><em>filename</em><span class="sig-paren">)</span><a class="headerlink" href="#ffmpeg.probe" title="Permalink to this definition"></a></dt>
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<code class="descclassname">ffmpeg.</code><code class="descname">probe</code><span class="sig-paren">(</span><em>filename</em>, <em>cmd='ffprobe'</em><span class="sig-paren">)</span><a class="headerlink" href="#ffmpeg.probe" title="Permalink to this definition"></a></dt>
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<dd><p>Run ffprobe on the specified file and return a JSON representation of the output.</p>
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<table class="docutils field-list" frame="void" rules="none">
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<col class="field-name" />

‎doc/html/objects.inv

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