]> git.sesse.net Git - ffmpeg/blobdiff - libavformat/flvenc.c
Re-add missing "@end table" which was erroneously removed in the
[ffmpeg] / libavformat / flvenc.c
index b65c1b19a767aed82831112818f6b548fbc67e05..c255ff051220ef95c384d591c7080c372fab70bf 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * FLV muxer
- * Copyright (c) 2003 The FFmpeg Project.
+ * Copyright (c) 2003 The FFmpeg Project
  *
  * This file is part of FFmpeg.
  *
@@ -29,6 +29,7 @@
 static const AVCodecTag flv_video_codec_ids[] = {
     {CODEC_ID_FLV1,    FLV_CODECID_H263  },
     {CODEC_ID_FLASHSV, FLV_CODECID_SCREEN},
+    {CODEC_ID_FLASHSV2, FLV_CODECID_SCREEN2},
     {CODEC_ID_VP6F,    FLV_CODECID_VP6   },
     {CODEC_ID_VP6,     FLV_CODECID_VP6   },
     {CODEC_ID_H264,    FLV_CODECID_H264  },
@@ -37,12 +38,13 @@ static const AVCodecTag flv_video_codec_ids[] = {
 
 static const AVCodecTag flv_audio_codec_ids[] = {
     {CODEC_ID_MP3,       FLV_CODECID_MP3    >> FLV_AUDIO_CODECID_OFFSET},
-    {CODEC_ID_PCM_S8,    FLV_CODECID_PCM    >> FLV_AUDIO_CODECID_OFFSET},
+    {CODEC_ID_PCM_U8,    FLV_CODECID_PCM    >> FLV_AUDIO_CODECID_OFFSET},
     {CODEC_ID_PCM_S16BE, FLV_CODECID_PCM    >> FLV_AUDIO_CODECID_OFFSET},
     {CODEC_ID_PCM_S16LE, FLV_CODECID_PCM_LE >> FLV_AUDIO_CODECID_OFFSET},
     {CODEC_ID_ADPCM_SWF, FLV_CODECID_ADPCM  >> FLV_AUDIO_CODECID_OFFSET},
     {CODEC_ID_AAC,       FLV_CODECID_AAC    >> FLV_AUDIO_CODECID_OFFSET},
     {CODEC_ID_NELLYMOSER, FLV_CODECID_NELLYMOSER >> FLV_AUDIO_CODECID_OFFSET},
+    {CODEC_ID_SPEEX,     FLV_CODECID_SPEEX  >> FLV_AUDIO_CODECID_OFFSET},
     {CODEC_ID_NONE,      0}
 };
 
@@ -59,7 +61,22 @@ static int get_audio_flags(AVCodecContext *enc){
 
     if (enc->codec_id == CODEC_ID_AAC) // specs force these parameters
         return FLV_CODECID_AAC | FLV_SAMPLERATE_44100HZ | FLV_SAMPLESSIZE_16BIT | FLV_STEREO;
-    else {
+    else if (enc->codec_id == CODEC_ID_SPEEX) {
+        if (enc->sample_rate != 16000) {
+            av_log(enc, AV_LOG_ERROR, "flv only supports wideband (16kHz) Speex audio\n");
+            return -1;
+        }
+        if (enc->channels != 1) {
+            av_log(enc, AV_LOG_ERROR, "flv only supports mono Speex audio\n");
+            return -1;
+        }
+        if (enc->frame_size / 320 > 8) {
+            av_log(enc, AV_LOG_WARNING, "Warning: Speex stream has more than "
+                                        "8 frames per packet. Adobe Flash "
+                                        "Player cannot handle this!\n");
+        }
+        return FLV_CODECID_SPEEX | FLV_SAMPLERATE_11025HZ | FLV_SAMPLESSIZE_16BIT;
+    } else {
     switch (enc->sample_rate) {
         case    44100:
             flags |= FLV_SAMPLERATE_44100HZ;
@@ -90,7 +107,7 @@ static int get_audio_flags(AVCodecContext *enc){
     case CODEC_ID_MP3:
         flags |= FLV_CODECID_MP3    | FLV_SAMPLESSIZE_16BIT;
         break;
-    case CODEC_ID_PCM_S8:
+    case CODEC_ID_PCM_U8:
         flags |= FLV_CODECID_PCM    | FLV_SAMPLESSIZE_8BIT;
         break;
     case CODEC_ID_PCM_S16BE:
@@ -200,7 +217,7 @@ static int flv_write_header(AVFormatContext *s)
 
     /* mixed array (hash) with size and string/type/data tuples */
     put_byte(pb, AMF_DATA_TYPE_MIXEDARRAY);
-    put_be32(pb, 5*!!video_enc + 4*!!audio_enc + 2); // +2 for duration and file size
+    put_be32(pb, 5*!!video_enc + 5*!!audio_enc + 2); // +2 for duration and file size
 
     put_amf_string(pb, "duration");
     flv->duration_offset= url_ftell(pb);
@@ -214,7 +231,7 @@ static int flv_write_header(AVFormatContext *s)
         put_amf_double(pb, video_enc->height);
 
         put_amf_string(pb, "videodatarate");
-        put_amf_double(pb, s->bit_rate / 1024.0);
+        put_amf_double(pb, video_enc->bit_rate / 1024.0);
 
         put_amf_string(pb, "framerate");
         put_amf_double(pb, framerate);
@@ -224,11 +241,14 @@ static int flv_write_header(AVFormatContext *s)
     }
 
     if(audio_enc){
+        put_amf_string(pb, "audiodatarate");
+        put_amf_double(pb, audio_enc->bit_rate / 1024.0);
+
         put_amf_string(pb, "audiosamplerate");
         put_amf_double(pb, audio_enc->sample_rate);
 
         put_amf_string(pb, "audiosamplesize");
-        put_amf_double(pb, audio_enc->codec_id == CODEC_ID_PCM_S8 ? 8 : 16);
+        put_amf_double(pb, audio_enc->codec_id == CODEC_ID_PCM_U8 ? 8 : 16);
 
         put_amf_string(pb, "stereo");
         put_amf_bool(pb, audio_enc->channels == 2);
@@ -309,6 +329,7 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
     FLVContext *flv = s->priv_data;
     unsigned ts;
     int size= pkt->size;
+    uint8_t *data= NULL;
     int flags, flags_size;
 
 //    av_log(s, AV_LOG_DEBUG, "type:%d pts: %"PRId64" size:%d\n", enc->codec_type, timestamp, size);
@@ -341,6 +362,11 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
     }
 
     if (enc->codec_id == CODEC_ID_H264) {
+        /* check if extradata looks like mp4 formated */
+        if (enc->extradata_size > 0 && *(uint8_t*)enc->extradata != 1) {
+            if (ff_avc_parse_nal_units_buf(pkt->data, &data, &size) < 0)
+                return -1;
+        }
         if (!flv->delay && pkt->dts < 0)
             flv->delay = -pkt->dts;
     }
@@ -361,17 +387,16 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt)
         put_byte(pb,1); // AVC NALU
         put_be24(pb,pkt->pts - pkt->dts);
     }
-    if (enc->codec_id == CODEC_ID_H264 &&
-        /* check if extradata looks like mp4 formated */
-        enc->extradata_size > 0 && *(uint8_t*)enc->extradata != 1) {
-        ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
-    } else {
-        put_buffer(pb, pkt->data, size);
-    }
+
+    put_buffer(pb, data ? data : pkt->data, size);
+
     put_be32(pb,size+flags_size+11); // previous tag size
     flv->duration = FFMAX(flv->duration, pkt->pts + flv->delay + pkt->duration);
 
     put_flush_packet(pb);
+
+    av_free(data);
+
     return 0;
 }
 
@@ -391,5 +416,5 @@ AVOutputFormat flv_muxer = {
     flv_write_packet,
     flv_write_trailer,
     .codec_tag= (const AVCodecTag* const []){flv_video_codec_ids, flv_audio_codec_ids, 0},
-    .flags= AVFMT_GLOBALHEADER,
+    .flags= AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS,
 };