X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fdownloader%2Fexternal.py;h=30277dc205787d226360cfc950e5c08796a5fc03;hb=e0317686666f9de4a6eca3fc26ede32e664f2bec;hp=bb43677b7667420f5db9ae912e3643d7f5390cd7;hpb=12b84ac8c13754baeeead907d8c9d239141f8706;p=youtube-dl

diff --git a/youtube_dl/downloader/external.py b/youtube_dl/downloader/external.py
index bb43677b7..30277dc20 100644
--- a/youtube_dl/downloader/external.py
+++ b/youtube_dl/downloader/external.py
@@ -6,8 +6,7 @@ import sys
 import re
 
 from .common import FileDownloader
-from ..postprocessor.ffmpeg import FFmpegPostProcessor
-from ..compat import compat_str
+from ..postprocessor.ffmpeg import FFmpegPostProcessor, EXT_TO_OUT_FORMATS
 from ..utils import (
     cli_option,
     cli_valueless_option,
@@ -16,6 +15,7 @@ from ..utils import (
     encodeFilename,
     encodeArgument,
     handle_youtubedl_headers,
+    check_executable,
 )
 
 
@@ -50,10 +50,18 @@ class ExternalFD(FileDownloader):
     def exe(self):
         return self.params.get('external_downloader')
 
+    @classmethod
+    def available(cls):
+        return check_executable(cls.get_basename(), [cls.AVAILABLE_OPT])
+
     @classmethod
     def supports(cls, info_dict):
         return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps')
 
+    @classmethod
+    def can_download(cls, info_dict):
+        return cls.available() and cls.supports(info_dict)
+
     def _option(self, command_option, param):
         return cli_option(self.params, command_option, param)
 
@@ -81,6 +89,8 @@ class ExternalFD(FileDownloader):
 
 
 class CurlFD(ExternalFD):
+    AVAILABLE_OPT = '-V'
+
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = [self.exe, '--location', '-o', tmpfilename]
         for key, val in info_dict['http_headers'].items():
@@ -94,6 +104,8 @@ class CurlFD(ExternalFD):
 
 
 class AxelFD(ExternalFD):
+    AVAILABLE_OPT = '-V'
+
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = [self.exe, '-o', tmpfilename]
         for key, val in info_dict['http_headers'].items():
@@ -104,6 +116,8 @@ class AxelFD(ExternalFD):
 
 
 class WgetFD(ExternalFD):
+    AVAILABLE_OPT = '--version'
+
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = [self.exe, '-O', tmpfilename, '-nv', '--no-cookies']
         for key, val in info_dict['http_headers'].items():
@@ -117,6 +131,8 @@ class WgetFD(ExternalFD):
 
 
 class Aria2cFD(ExternalFD):
+    AVAILABLE_OPT = '-v'
+
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = [self.exe, '-c']
         cmd += self._configuration_args([
@@ -135,6 +151,10 @@ class Aria2cFD(ExternalFD):
 
 
 class HttpieFD(ExternalFD):
+    @classmethod
+    def available(cls):
+        return check_executable('http', ['--version'])
+
     def _make_cmd(self, tmpfilename, info_dict):
         cmd = ['http', '--download', '--output', tmpfilename, info_dict['url']]
         for key, val in info_dict['http_headers'].items():
@@ -147,19 +167,28 @@ class FFmpegFD(ExternalFD):
     def supports(cls, info_dict):
         return info_dict['protocol'] in ('http', 'https', 'ftp', 'ftps', 'm3u8', 'rtsp', 'rtmp', 'mms')
 
+    @classmethod
+    def available(cls):
+        return FFmpegPostProcessor().available
+
     def _call_downloader(self, tmpfilename, info_dict):
         url = info_dict['url']
         ffpp = FFmpegPostProcessor(downloader=self)
+        if not ffpp.available:
+            self.report_error('m3u8 download detected but ffmpeg or avconv could not be found. Please install one.')
+            return False
         ffpp.check_version()
 
         args = [ffpp.executable, '-y']
 
-        start_time = info_dict.get('start_time', 0)
-        if start_time:
-            args += ['-ss', compat_str(start_time)]
-        end_time = info_dict.get('end_time')
-        if end_time:
-            args += ['-t', compat_str(end_time - start_time)]
+        args += self._configuration_args()
+
+        # start_time = info_dict.get('start_time') or 0
+        # if start_time:
+        #     args += ['-ss', compat_str(start_time)]
+        # end_time = info_dict.get('end_time')
+        # if end_time:
+        #     args += ['-t', compat_str(end_time - start_time)]
 
         if info_dict['http_headers'] and re.match(r'^https?://', url):
             # Trailing \r\n after each HTTP header is important to prevent warning from ffmpeg/avconv:
@@ -169,14 +198,41 @@ class FFmpegFD(ExternalFD):
                 '-headers',
                 ''.join('%s: %s\r\n' % (key, val) for key, val in headers.items())]
 
+        protocol = info_dict.get('protocol')
+
+        if protocol == 'rtmp':
+            player_url = info_dict.get('player_url')
+            page_url = info_dict.get('page_url')
+            app = info_dict.get('app')
+            play_path = info_dict.get('play_path')
+            tc_url = info_dict.get('tc_url')
+            flash_version = info_dict.get('flash_version')
+            live = info_dict.get('rtmp_live', False)
+            if player_url is not None:
+                args += ['-rtmp_swfverify', player_url]
+            if page_url is not None:
+                args += ['-rtmp_pageurl', page_url]
+            if app is not None:
+                args += ['-rtmp_app', app]
+            if play_path is not None:
+                args += ['-rtmp_playpath', play_path]
+            if tc_url is not None:
+                args += ['-rtmp_tcurl', tc_url]
+            if flash_version is not None:
+                args += ['-rtmp_flashver', flash_version]
+            if live:
+                args += ['-rtmp_live', 'live']
+
         args += ['-i', url, '-c', 'copy']
-        if info_dict.get('protocol') == 'm3u8':
+        if protocol == 'm3u8':
             if self.params.get('hls_use_mpegts', False):
                 args += ['-f', 'mpegts']
             else:
                 args += ['-f', 'mp4', '-bsf:a', 'aac_adtstoasc']
+        elif protocol == 'rtmp':
+            args += ['-f', 'flv']
         else:
-            args += ['-f', info_dict['ext']]
+            args += ['-f', EXT_TO_OUT_FORMATS.get(info_dict['ext'], info_dict['ext'])]
 
         args = [encodeArgument(opt) for opt in args]
         args.append(encodeFilename(ffpp._ffmpeg_filename_argument(tmpfilename), True))