Partial revert of "avcodec: remove support for old versions"

This partially reverts and adapts commit cde81e52

.
This is mostly related to Palette and Options
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/codec/avcodec/avcodec.c

@@ -42,8 +42,10 @@
 #include "chroma.h"
 #include "avcommon.h"
 
-#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 54, 25, 0 )
-#   error You must update libavcodec to a version >= 54.25.0
+#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 53, 34, 0 )
+#   error You must update libavcodec to a version >= 53.34.0
+#elif LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 54, 25, 0 )
+#   warning You should update libavcodec to a version >= 54.25.0
 #endif
 
 /*****************************************************************************

modules/codec/avcodec/avcommon.h

@@ -68,7 +68,12 @@ static inline void vlc_init_avformat(void)
 static inline void vlc_init_avcodec(void)
 {
     vlc_avcodec_lock();
+
+#if LIBAVCODEC_VERSION_MAJOR < 54
+    avcodec_init();
+#endif
     avcodec_register_all();
+
     vlc_avcodec_unlock();
 }
 #endif

modules/codec/avcodec/encoder.c

@@ -389,11 +389,13 @@ int OpenEncoder( vlc_object_t *p_this )
 #endif
         else if( !strncmp( psz_val, "ltp", 3 ) )
             p_sys->i_aac_profile = FF_PROFILE_AAC_LTP;
+#if LIBAVCODEC_VERSION_CHECK( 54, 19, 0, 35, 100 )
 /* These require libavcodec with libfdk-aac */
         else if( !strncmp( psz_val, "hev2", 4 ) )
             p_sys->i_aac_profile = FF_PROFILE_AAC_HE_V2;
         else if( !strncmp( psz_val, "hev1", 4 ) )
             p_sys->i_aac_profile = FF_PROFILE_AAC_HE;
+#endif
         else
         {
             msg_Warn( p_enc, "unknown AAC profile requested, setting it to low" );

modules/codec/avcodec/fourcc.c

@@ -192,19 +192,31 @@ static const struct
 
     { VLC_CODEC_VBLE, AV_CODEC_ID_VBLE, VIDEO_ES },
 
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 54, 1, 0 )
     { VLC_CODEC_CDXL, AV_CODEC_ID_CDXL, VIDEO_ES },
+#endif
 
     { VLC_CODEC_UTVIDEO, AV_CODEC_ID_UTVIDEO, VIDEO_ES },
 
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 53, 42, 0 )
     { VLC_CODEC_DXTORY, AV_CODEC_ID_DXTORY, VIDEO_ES },
+#endif
 
+#if LIBAVCODEC_VERSION_CHECK( 54, 16, 0, 27, 100 )
     { VLC_CODEC_MSS1, AV_CODEC_ID_MSS1, VIDEO_ES },
+#endif
 
+#if LIBAVCODEC_VERSION_CHECK( 54, 17, 0, 32, 100 )
     { VLC_CODEC_MSA1, AV_CODEC_ID_MSA1, VIDEO_ES },
+#endif
 
+#if LIBAVCODEC_VERSION_CHECK( 54, 18, 0, 34, 100 )
     { VLC_CODEC_TSC2, AV_CODEC_ID_TSCC2, VIDEO_ES },
+#endif
 
+#if LIBAVCODEC_VERSION_CHECK( 54, 20, 0, 37, 100 )
     { VLC_CODEC_MTS2, AV_CODEC_ID_MTS2, VIDEO_ES },
+#endif
 
 #if LIBAVCODEC_VERSION_CHECK( 54, 27, 0, 55, 100 )
     { VLC_CODEC_MSS2, AV_CODEC_ID_MSS2, VIDEO_ES },
@@ -379,11 +391,17 @@ static const struct
     { VLC_CODEC_TRUEHD, AV_CODEC_ID_TRUEHD, AUDIO_ES },
     { VLC_CODEC_MLP, AV_CODEC_ID_MLP, AUDIO_ES },
 
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 54, 5, 0 )
     { VLC_CODEC_WMAL, AV_CODEC_ID_WMALOSSLESS, AUDIO_ES },
+#endif
 
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 54, 12, 0 )
     { VLC_CODEC_RALF, AV_CODEC_ID_RALF, AUDIO_ES },
+#endif
 
+#if LIBAVCODEC_VERSION_CHECK( 54, 14, 0, 26, 100 )
     { VLC_CODEC_INDEO_AUDIO, AV_CODEC_ID_IAC, AUDIO_ES },
+#endif
 
     /* PCM */
     { VLC_CODEC_S8, AV_CODEC_ID_PCM_S8, AUDIO_ES },

modules/codec/avcodec/video.c

@@ -75,8 +75,11 @@ struct decoder_sys_t
 
 
     /* */
-    //AVPaletteControl palette;
-#warning FIXME
+#if LIBAVCODEC_VERSION_MAJOR < 54
+    AVPaletteControl palette;
+#else
+# warning FIXME
+#endif
 
     /* */
     bool b_flush;
@@ -376,8 +379,39 @@ int InitVideoDec( decoder_t *p_dec, AVCodecContext *p_context,
     }
     p_dec->fmt_out.i_codec = p_dec->fmt_out.video.i_chroma;
 
+#if LIBAVCODEC_VERSION_MAJOR < 54
     /* Setup palette */
-# warning FIXME: palette
+    memset( &p_sys->palette, 0, sizeof(p_sys->palette) );
+    if( p_dec->fmt_in.video.p_palette )
+    {
+        p_sys->palette.palette_changed = 1;
+
+        for( int i = 0; i < __MIN( AVPALETTE_COUNT, p_dec->fmt_in.video.p_palette->i_entries ); i++ )
+        {
+            union {
+                uint32_t u;
+                uint8_t a[4];
+            } c;
+            c.a[0] = p_dec->fmt_in.video.p_palette->palette[i][0];
+            c.a[1] = p_dec->fmt_in.video.p_palette->palette[i][1];
+            c.a[2] = p_dec->fmt_in.video.p_palette->palette[i][2];
+            c.a[3] = p_dec->fmt_in.video.p_palette->palette[i][3];
+
+            p_sys->palette.palette[i] = c.u;
+        }
+        p_sys->p_context->palctrl = &p_sys->palette;
+
+        p_dec->fmt_out.video.p_palette = malloc( sizeof(video_palette_t) );
+        if( p_dec->fmt_out.video.p_palette )
+            *p_dec->fmt_out.video.p_palette = *p_dec->fmt_in.video.p_palette;
+    }
+    else if( p_sys->i_codec_id != CODEC_ID_MSVIDEO1 && p_sys->i_codec_id != CODEC_ID_CINEPAK )
+    {
+        p_sys->p_context->palctrl = &p_sys->palette;
+    }
+#else
+# warning FIXME
+#endif
 
     /* ***** init this codec with special data ***** */
     ffmpeg_InitCodec( p_dec );
@@ -912,6 +946,10 @@ static int ffmpeg_GetFrameBuf( struct AVCodecContext *p_context,
         /* */
         p_ff_pic->type = FF_BUFFER_TYPE_USER;
 
+#if LIBAVCODEC_VERSION_MAJOR < 54
+        p_ff_pic->age = 256*256*256*64;
+#endif
+
         if( vlc_va_Get( p_sys->p_va, p_ff_pic ) )
         {
             msg_Err( p_dec, "VaGrabSurface failed" );
@@ -1000,6 +1038,10 @@ static int ffmpeg_GetFrameBuf( struct AVCodecContext *p_context,
     p_ff_pic->linesize[2] = p_pic->p[2].i_pitch;
     p_ff_pic->linesize[3] = 0;
 
+#if LIBAVCODEC_VERSION_MAJOR < 54
+    p_ff_pic->age = 256*256*256*64;
+#endif
+
     post_mt( p_sys );
     return 0;
 

modules/demux/avformat/demux.c

@@ -325,7 +325,15 @@ int OpenDemux( vlc_object_t *p_this )
 
             fmt.video.i_width = cc->width;
             fmt.video.i_height = cc->height;
+#if LIBAVCODEC_VERSION_MAJOR < 54
+            if( cc->palctrl )
+            {
+                fmt.video.p_palette = malloc( sizeof(video_palette_t) );
+                *fmt.video.p_palette = *(video_palette_t *)cc->palctrl;
+            }
+#else
 # warning FIXME: implement palette transmission
+#endif
             psz_type = "video";
             fmt.video.i_frame_rate = cc->time_base.den;
             fmt.video.i_frame_rate_base = cc->time_base.num * __MAX( cc->ticks_per_frame, 1 );

modules/stream_out/switcher.c

@@ -131,8 +131,10 @@ vlc_module_begin ()
                  QSCALE_TEXT, QSCALE_LONGTEXT, true )
     add_bool( SOUT_CFG_PREFIX "mute-audio", true,
               AUDIO_TEXT, AUDIO_LONGTEXT, true )
+#if LIBAVCODEC_VERSION_MAJOR >= 54
     add_string( SOUT_CFG_PREFIX "options", NULL,
                 AV_OPTIONS_TEXT, AV_OPTIONS_LONGTEXT, true )
+#endif
 vlc_module_end ()
 
 static const char *const ppsz_sout_options[] = {
@@ -156,7 +158,9 @@ struct sout_stream_sys_t
     int             i_fd;
     int             i_cmd, i_old_cmd;
 
+#if LIBAVCODEC_VERSION_MAJOR >= 54
     AVDictionary    *options;
+#endif
 };
 
 struct sout_stream_id_t
@@ -293,6 +297,7 @@ static int Open( vlc_object_t *p_this )
     p_stream->pf_send   = Send;
     p_stream->p_sys     = p_sys;
 
+#if LIBAVCODEC_VERSION_MAJOR >= 54
     char *psz_opts = var_InheritString( p_stream, SOUT_CFG_PREFIX "options" );
     if (psz_opts && *psz_opts) {
         p_sys->options = vlc_av_get_options(psz_opts);
@@ -300,6 +305,7 @@ static int Open( vlc_object_t *p_this )
         p_sys->options = NULL;
     }
     free(psz_opts);
+#endif
 
     return VLC_SUCCESS;
 }
@@ -312,7 +318,10 @@ static void Close( vlc_object_t * p_this )
     sout_stream_t       *p_stream = (sout_stream_t *)p_this;
     sout_stream_sys_t   *p_sys = p_stream->p_sys;
 
+#if LIBAVCODEC_VERSION_MAJOR >= 54
     av_dict_free( &p_sys->options );
+#endif
+
     free( p_sys );
 }
 
@@ -371,6 +380,7 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
         id->ff_enc_c->bit_rate    = p_fmt->i_bitrate;
 
         int ret;
+#if LIBAVCODEC_VERSION_MAJOR >= 54
         AVDictionary *options = NULL;
         if (p_sys->options)
             av_dict_copy(&options, p_sys->options, 0);
@@ -382,6 +392,11 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
             msg_Err( p_stream, "Unknown option \"%s\"", t->key );
         }
         av_dict_free(&options);
+#else
+        vlc_avcodec_lock();
+        ret = avcodec_open( id->ff_enc_c, id->ff_enc );
+        vlc_avcodec_unlock();
+#endif
 
         if (ret)
         {
@@ -768,17 +783,21 @@ static mtime_t VideoCommand( sout_stream_t *p_stream, sout_stream_id_t *id )
 
         vlc_avcodec_lock();
         int ret;
+#if LIBAVCODEC_VERSION_MAJOR >= 54
         AVDictionary *options = NULL;
         if (p_sys->options)
             av_dict_copy(&options, p_sys->options, 0);
+#endif
         ret = avcodec_open2( id->ff_enc_c, id->ff_enc, options ? &options : NULL );
         vlc_avcodec_unlock();
 
+#if LIBAVCODEC_VERSION_MAJOR >= 54
         AVDictionaryEntry *t = NULL;
         while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) {
             msg_Err( p_stream, "Unknown option \"%s\"", t->key );
         }
         av_dict_free(&options);
+#endif
 
         if (ret)
         {