add drawtext filter sample

README.md

@@ -32,7 +32,7 @@ FMS URL: rtmp://127.0.0.1:1935/live
 Stream:  livestream
 For example, use ffmpeg to publish:
     for((;;)); do \
-        ./objs/ffmpeg/bin/ffmpeg -re -i doc/source.flv -vcodec copy -acodec copy \
+        ./objs/ffmpeg/bin/ffmpeg -re -i ./doc/source.flv -vcodec copy -acodec copy \
         -f flv -y rtmp://127.0.0.1:1935/live/livestream; \
         sleep 1; \
     done

trunk/conf/srs.conf

@@ -15,17 +15,14 @@ vhost __defaultVhost__ {
     hls_path        ./objs/nginx/html;
     hls_fragment    5;
     hls_window      30;
-    forward         127.0.0.1:1936;
+    #forward         127.0.0.1:1936;
     transcode {
         enabled     on;
         ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        #ffmpeg      ./research/ffempty/ffempty;
         engine ld{
             enabled         on;
             vfilter {
-                #vf                  'drawtext=text=SRS';
+                i                   ./doc/ffmpeg-min.png;
-                #vf                  'crop=in_w-20:in_h-160:10:80';
-                i                   ./doc/ffmpeg-logo.png;
                 filter_complex      'overlay=10:10';
             }
             vcodec          libx264;
@@ -43,7 +40,6 @@ vhost __defaultVhost__ {
             asample_rate    44100;
             achannels       2;
             aparams {
-                profile:a   aac_low;
             }
             output          rtmp://[vhost]:[port]/[app]/[stream]_ld;
         }
@@ -72,6 +68,126 @@ vhost __defaultVhost__ {
         }
     }
 }
+# the mirror filter of ffmpeg, @see: http://ffmpeg.org/ffmpeg-filters.html#Filtering-Introduction
+vhost mirror.transcode.vhost.com {
+    transcode {
+        enabled     on;
+        ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
+        engine mirror{
+            enabled         on;
+            vfilter {
+                vf                  'split [main][tmp]; [tmp] crop=iw:ih/2:0:0, vflip [flip]; [main][flip] overlay=0:H/2';
+            }
+            vcodec          libx264;
+            vbitrate        300;
+            vfps            20;
+            vwidth          480;
+            vheight         320;
+            vthreads        2;
+            vprofile        baseline;
+            vpreset         superfast;
+            vparams {
+            }
+            acodec          libaacplus;
+            abitrate        30;
+            asample_rate    44100;
+            achannels       2;
+            aparams {
+            }
+            output          rtmp://[vhost]:[port]/[app]/[stream]_mirror;
+        }
+    }
+}
+# the drawtext filter of ffmpeg, @see: http://ffmpeg.org/ffmpeg-filters.html#drawtext-1
+vhost drawtext.transcode.vhost.com {
+    transcode {
+        enabled     on;
+        ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
+        engine drawtext{
+            enabled         on;
+            vfilter {
+                vf                  'drawtext=text=SimpleRtmpServer(SRS):x=10:y=10:fontcolor=#EEEEEE:fontfile=./doc/FreeSerifBold.ttf';
+            }
+            vcodec          libx264;
+            vbitrate        300;
+            vfps            20;
+            vwidth          480;
+            vheight         320;
+            vthreads        2;
+            vprofile        baseline;
+            vpreset         superfast;
+            vparams {
+            }
+            acodec          libaacplus;
+            abitrate        30;
+            asample_rate    44100;
+            achannels       2;
+            aparams {
+            }
+            output          rtmp://[vhost]:[port]/[app]/[stream]_drawtext;
+        }
+    }
+}
+# the crop filter of ffmpeg, @see: http://ffmpeg.org/ffmpeg-filters.html#crop
+vhost crop.transcode.vhost.com {
+    transcode {
+        enabled     on;
+        ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
+        engine crop{
+            enabled         on;
+            vfilter {
+                vf                  'crop=in_w-20:in_h-160:10:80';
+            }
+            vcodec          libx264;
+            vbitrate        300;
+            vfps            20;
+            vwidth          480;
+            vheight         320;
+            vthreads        2;
+            vprofile        baseline;
+            vpreset         superfast;
+            vparams {
+            }
+            acodec          libaacplus;
+            abitrate        30;
+            asample_rate    44100;
+            achannels       2;
+            aparams {
+            }
+            output          rtmp://[vhost]:[port]/[app]/[stream]_crop;
+        }
+    }
+}
+# the logo filter of ffmpeg, @see: http://ffmpeg.org/ffmpeg-filters.html#crop
+vhost logo.transcode.vhost.com {
+    transcode {
+        enabled     on;
+        ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
+        engine logo{
+            enabled         on;
+            vfilter {
+                vf                  'crop=200:100:10:10';
+            }
+            vcodec          libx264;
+            vbitrate        300;
+            vfps            20;
+            vwidth          480;
+            vheight         320;
+            vthreads        2;
+            vprofile        baseline;
+            vpreset         superfast;
+            vparams {
+            }
+            acodec          libaacplus;
+            abitrate        30;
+            asample_rate    44100;
+            achannels       2;
+            aparams {
+            }
+            output          rtmp://[vhost]:[port]/[app]/[stream]_logo;
+        }
+    }
+}
 # transcode all app and stream of vhost
 vhost all.transcode.vhost.com {
     # the streaming transcode configs.
@@ -137,6 +253,8 @@ vhost all.transcode.vhost.com {
             achannels       2;
             # other ffmpeg audio params
             aparams {
+                # audio params, @see: http://ffmpeg.org/ffmpeg-codecs.html#Audio-Encoders
+                profile:a   aac_low;
             }
             # output stream. variables:
             # [vhost] the input stream vhost.
@@ -207,96 +325,6 @@ vhost all.transcode.vhost.com {
         }
     }
 }
-# the mirror filter of ffmpeg, @see: http://ffmpeg.org/ffmpeg-filters.html#Filtering-Introduction
-vhost mirror.transcode.vhost.com {
-    transcode {
-        enabled     on;
-        ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine mirror{
-            enabled         on;
-            vfilter {
-                vf                  'split [main][tmp]; [tmp] crop=iw:ih/2:0:0, vflip [flip]; [main][flip] overlay=0:H/2';
-            }
-            vcodec          libx264;
-            vbitrate        300;
-            vfps            20;
-            vwidth          480;
-            vheight         320;
-            vthreads        2;
-            vprofile        baseline;
-            vpreset         superfast;
-            vparams {
-            }
-            acodec          libaacplus;
-            abitrate        30;
-            asample_rate    44100;
-            achannels       2;
-            aparams {
-            }
-            output          rtmp://[vhost]:[port]/[app]/[stream]_mirror;
-        }
-    }
-}
-# the logo filter of ffmpeg, @see: http://ffmpeg.org/ffmpeg-filters.html#crop
-vhost crop.transcode.vhost.com {
-    transcode {
-        enabled     on;
-        ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine crop{
-            enabled         on;
-            vfilter {
-                vf                  'crop=in_w-20:in_h-160:10:80';
-            }
-            vcodec          libx264;
-            vbitrate        300;
-            vfps            20;
-            vwidth          480;
-            vheight         320;
-            vthreads        2;
-            vprofile        baseline;
-            vpreset         superfast;
-            vparams {
-            }
-            acodec          libaacplus;
-            abitrate        30;
-            asample_rate    44100;
-            achannels       2;
-            aparams {
-            }
-            output          rtmp://[vhost]:[port]/[app]/[stream]_crop;
-        }
-    }
-}
-# the crop filter of ffmpeg, @see: http://ffmpeg.org/ffmpeg-filters.html#crop
-vhost logo.transcode.vhost.com {
-    transcode {
-        enabled     on;
-        ffmpeg      ./objs/ffmpeg/bin/ffmpeg;
-        engine logo{
-            enabled         on;
-            vfilter {
-                vf                  'crop=200:100:10:10';
-            }
-            vcodec          libx264;
-            vbitrate        300;
-            vfps            20;
-            vwidth          480;
-            vheight         320;
-            vthreads        2;
-            vprofile        baseline;
-            vpreset         superfast;
-            vparams {
-            }
-            acodec          libaacplus;
-            abitrate        30;
-            asample_rate    44100;
-            achannels       2;
-            aparams {
-            }
-            output          rtmp://[vhost]:[port]/[app]/[stream]_logo;
-        }
-    }
-}
 # transcode all stream using the empty ffmpeg demo, donothing.
 vhost ffempty.transcode.vhost.com {
     transcode {

trunk/doc/readme.txt

@@ -0,0 +1,49 @@
+ffmpeg-logo.png
+ffmpeg-min.png
+    ffmpeg的logo。    
+source.flv
+    avatar预告片，400kbps。
+    
+FreeSerifBold.ttf
+    字体文件，ffmpeg的drawtext filter需要使用。
+    参考：http://ffmpeg.org/ffmpeg-filters.html#drawtext-1
+    下载地址：http://www.fonts2u.com/free-serif.font
+    
+aac-iso-13818-7.pdf
+    aac标准，aac的编码等。
+    
+aac-mp4a-format-ISO_IEC_14496-3+2001.pdf
+    aac的封装标准，即ts/flv里面的aac raw data标准。
+    
+amf0_spec_121207.pdf
+    adobe amf0标准
+    
+amf3_spec_121207.pdf
+    adobe amf3标准。
+    
+H.264-AVC-ISO_IEC_14496-10.pdf
+    avc标准，编码部分。
+    
+H.264-AVC-ISO_IEC_14496-15.pdf
+    avc标准，封装部分。
+    
+H.264_MPEG-4-Part-10-White-Paper.pdf
+    h264简介。
+    
+hls-m3u8-draft-pantos-http-live-streaming-12.txt
+    m3u8标准。
+    
+hls-mpeg-ts-iso13818-1.pdf
+    ts标准。
+    
+hls-mpeg-ts-VB_WhitePaper_TransportStreamVSProgramStream_rd2.pdf
+    ts的介绍。
+    
+rtmp.part1.Chunk-Stream.pdf
+rtmp.part2.Message-Formats.pdf
+rtmp.part3.Commands-Messages.pdf
+rtmp_specification_1.0.pdf
+    adobe rtmp标准。
+    
+video_file_format_spec_v10_1.pdf
+    adobe f4v/flv标准。