Changes for ffmpeg 3.0

This file is a copy of debian/patches/04_ffmpeg-3.0.diff, to be found in
http://www.deb-multimedia.org/pool/main/v/vlc-dmo/vlc-dmo_2.2.4.orig.tar.gz

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>

--- a/configure.ac
+++ b/configure.ac
@@ -2324,7 +2324,7 @@ AC_ARG_ENABLE(avcodec,
 AS_IF([test "${enable_avcodec}" != "no"], [
   PKG_CHECK_MODULES(AVCODEC,[libavcodec >= 53.34.0 libavutil >= 51.22.0], [
     PKG_CHECK_EXISTS([libavutil < 55],, [
-      AC_MSG_ERROR([libavutil versions 55 and later are not supported.])
+      AC_MSG_WARN([libavutil versions 55 and later are not supported.])
     ])
     VLC_SAVE_FLAGS
     CPPFLAGS="${CPPFLAGS} ${AVCODEC_CFLAGS}"
@@ -2334,7 +2334,7 @@ AS_IF([test "${enable_avcodec}" != "no"]
     VLC_RESTORE_FLAGS
     have_avcodec="yes"
   ],[
-    AC_MSG_ERROR([${AVCODEC_PKG_ERRORS}. Pass --disable-avcodec to ignore this error.])
+    AC_MSG_WARN([${AVCODEC_PKG_ERRORS}. Pass --disable-avcodec to ignore this error.])
   ])
 ], [
   have_avcodec="no"
@@ -2383,7 +2383,7 @@ AS_IF([test "${have_vaapi}" = "yes" -a "
   case "${avfork}" in
     ffmpeg)
       PKG_CHECK_EXISTS([libavcodec >= 57.10.100], [
-        AC_MSG_ERROR([VA API requires FFmpeg libavcodec < 57.10 or libav.])
+        AC_MSG_WARN([VA API requires FFmpeg libavcodec < 57.10 or libav.])
       ])
       ;;
   esac
@@ -2417,7 +2417,7 @@ AS_IF([test "${enable_dxva2}" != "no"],
     case "${avfork}" in
       ffmpeg)
         PKG_CHECK_EXISTS([libavcodec >= 57.10.100], [
-          AC_MSG_ERROR([DXVA2 requires FFmpeg libavcodec < 57.10 or libav.])
+          AC_MSG_WARN([DXVA2 requires FFmpeg libavcodec < 57.10 or libav.])
         ])
         ;;
     esac
@@ -2509,7 +2509,7 @@ AS_IF([test "${enable_avformat}" != "no"
       ])
       VLC_RESTORE_FLAGS
     ],[
-      AC_MSG_ERROR([${AVFORMAT_PKG_ERRORS}. Pass --disable-avformat to ignore this error.])
+      AC_MSG_WARN([${AVFORMAT_PKG_ERRORS}. Pass --disable-avformat to ignore this error.])
   ])
 ])
 AM_CONDITIONAL([HAVE_AVFORMAT], [test "${enable_avformat}" != "no"])
@@ -2538,7 +2538,7 @@ then
       ])
       VLC_RESTORE_FLAGS
     ],[
-      AC_MSG_ERROR([${SWSCALE_PKG_ERRORS}. Pass --disable-swscale to ignore this error. Proper software scaling and some video chroma conversion will be missing.])
+      AC_MSG_WARN([${SWSCALE_PKG_ERRORS}. Pass --disable-swscale to ignore this error. Proper software scaling and some video chroma conversion will be missing.])
   ])
 fi
 
@@ -3181,7 +3181,7 @@ AS_IF([test "${have_vdpau}" = "yes" -a "
     libav) av_vdpau_ver="55.26.0" ;;
     ffmpeg) av_vdpau_ver="55.42.100"
       PKG_CHECK_EXISTS([libavcodec >= 57.10.100], [
-        AC_MSG_ERROR([VDPAU requires FFmpeg libavcodec < 57.10 or libav.])
+        AC_MSG_WARN([VDPAU requires FFmpeg libavcodec < 57.10 or libav.])
       ])
       ;;
   esac
--- a/modules/codec/avcodec/audio.c
+++ b/modules/codec/avcodec/audio.c
@@ -39,7 +39,7 @@
 #include <libavcodec/avcodec.h>
 #include <libavutil/mem.h>
 
-#include <libavutil/audioconvert.h>
+#include <libavutil/channel_layout.h>
 
 #include "avcodec.h"
 
--- a/modules/codec/avcodec/video.c
+++ b/modules/codec/avcodec/video.c
@@ -108,8 +108,8 @@ static int lavc_GetFrame(struct AVCodecC
 static int  ffmpeg_GetFrameBuf    ( struct AVCodecContext *, AVFrame * );
 static void ffmpeg_ReleaseFrameBuf( struct AVCodecContext *, AVFrame * );
 #endif
-static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *,
-                                          const enum PixelFormat * );
+static enum AVPixelFormat ffmpeg_GetFormat( AVCodecContext *,
+                                          const enum AVPixelFormat * );
 
 static uint32_t ffmpeg_CodecTag( vlc_fourcc_t fcc )
 {
@@ -234,7 +234,7 @@ int InitVideoDec( decoder_t *p_dec, AVCo
     p_sys->p_codec = p_codec;
     p_sys->i_codec_id = i_codec_id;
     p_sys->psz_namecodec = psz_namecodec;
-    p_sys->p_ff_pic = avcodec_alloc_frame();
+    p_sys->p_ff_pic = av_frame_alloc();
     p_sys->b_delayed_open = true;
     p_sys->p_va = NULL;
     vlc_sem_init( &p_sys->sem_mt, 0 );
@@ -446,7 +446,7 @@ int InitVideoDec( decoder_t *p_dec, AVCo
     if( ffmpeg_OpenCodec( p_dec ) < 0 )
     {
         msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
-        avcodec_free_frame( &p_sys->p_ff_pic );
+        av_frame_free( &p_sys->p_ff_pic );
         vlc_sem_destroy( &p_sys->sem_mt );
         free( p_sys );
         return VLC_EGENERIC;
@@ -826,7 +826,7 @@ void EndVideoDec( decoder_t *p_dec )
     wait_mt( p_sys );
 
     if( p_sys->p_ff_pic )
-        avcodec_free_frame( &p_sys->p_ff_pic );
+        av_frame_free( &p_sys->p_ff_pic );
 
     if( p_sys->p_va )
         vlc_va_Delete( p_sys->p_va );
@@ -1313,8 +1313,8 @@ static void ffmpeg_ReleaseFrameBuf( stru
 }
 #endif
 
-static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *p_context,
-                                          const enum PixelFormat *pi_fmt )
+static enum AVPixelFormat ffmpeg_GetFormat( AVCodecContext *p_context,
+                                          const enum AVPixelFormat *pi_fmt )
 {
     decoder_t *p_dec = p_context->opaque;
     decoder_sys_t *p_sys = p_dec->p_sys;
--- a/modules/codec/avcodec/encoder.c
+++ b/modules/codec/avcodec/encoder.c
@@ -41,7 +41,7 @@
 #include <vlc_cpu.h>
 
 #include <libavcodec/avcodec.h>
-#include <libavutil/audioconvert.h>
+#include <libavutil/channel_layout.h>
 
 #include "avcodec.h"
 #include "avcommon.h"
@@ -311,7 +311,7 @@ int OpenEncoder( vlc_object_t *p_this )
     else if( !GetFfmpegCodec( p_enc->fmt_out.i_codec, &i_cat, &i_codec_id,
                              &psz_namecodec ) )
     {
-        if( FindFfmpegChroma( p_enc->fmt_out.i_codec ) == PIX_FMT_NONE )
+        if( FindFfmpegChroma( p_enc->fmt_out.i_codec ) == AV_PIX_FMT_NONE )
             return VLC_EGENERIC; /* handed chroma output */
 
         i_cat      = VIDEO_ES;
@@ -555,7 +555,7 @@ int OpenEncoder( vlc_object_t *p_this )
 
         if( p_codec->pix_fmts )
         {
-            const enum PixelFormat *p = p_codec->pix_fmts;
+            const enum AVPixelFormat *p = p_codec->pix_fmts;
             for( ; *p != -1; p++ )
             {
                 if( *p == p_context->pix_fmt ) break;
@@ -1017,7 +1017,7 @@ errmsg:
         }
     }
 
-    p_sys->frame = avcodec_alloc_frame();
+    p_sys->frame = av_frame_alloc();
     if( !p_sys->frame )
     {
         goto error;
@@ -1048,7 +1048,7 @@ static void vlc_av_packet_Release(block_
 {
     vlc_av_packet_t *b = (void *) block;
 
-    av_free_packet(&b->packet);
+    av_packet_unref(&b->packet);
     free(b);
 }
 
@@ -1088,7 +1088,7 @@ static block_t *EncodeVideo( encoder_t *
     AVFrame *frame = NULL;
     if( likely(p_pict) ) {
         frame = p_sys->frame;
-        avcodec_get_frame_defaults( frame );
+        av_frame_unref( frame );
         for( i_plane = 0; i_plane < p_pict->i_planes; i_plane++ )
         {
             p_sys->frame->data[i_plane] = p_pict->p[i_plane].p_pixels;
@@ -1188,7 +1188,7 @@ static block_t *EncodeVideo( encoder_t *
             av_pkt.duration / p_sys->p_context->time_base.den, p_sys->p_context );
     if( unlikely(p_block == NULL) )
     {
-        av_free_packet( &av_pkt );
+        av_packet_unref( &av_pkt );
         return NULL;
     }
 
@@ -1329,7 +1329,7 @@ static block_t *handle_delay_buffer( enc
     //How much we need to copy from new packet
     const int leftover = leftover_samples * p_sys->p_context->channels * p_sys->i_sample_bytes;
 
-    avcodec_get_frame_defaults( p_sys->frame );
+    av_frame_unref( p_sys->frame );
     p_sys->frame->format     = p_sys->p_context->sample_fmt;
     p_sys->frame->nb_samples = leftover_samples + p_sys->i_samples_delay;
 
@@ -1451,7 +1451,7 @@ static block_t *EncodeAudio( encoder_t *
     while( ( p_aout_buf->i_nb_samples >= p_sys->i_frame_size ) ||
            ( p_sys->b_variable && p_aout_buf->i_nb_samples ) )
     {
-        avcodec_get_frame_defaults( p_sys->frame );
+        av_frame_unref( p_sys->frame );
         if( p_sys->b_variable )
             p_sys->frame->nb_samples = p_aout_buf->i_nb_samples;
         else
@@ -1514,7 +1514,7 @@ void CloseEncoder( vlc_object_t *p_this
     encoder_t *p_enc = (encoder_t *)p_this;
     encoder_sys_t *p_sys = p_enc->p_sys;
 
-    /*FIXME: we should use avcodec_free_frame, but we don't require so new avcodec that has it*/
+    /*FIXME: we should use av_frame_free, but we don't require so new avcodec that has it*/
     av_freep( &p_sys->frame );
 
     vlc_avcodec_lock();
--- a/modules/demux/avformat/demux.c
+++ b/modules/demux/avformat/demux.c
@@ -734,14 +734,14 @@ static int Demux( demux_t *p_demux )
     }
     if( pkt.stream_index < 0 || pkt.stream_index >= p_sys->i_tk )
     {
-        av_free_packet( &pkt );
+        av_packet_unref( &pkt );
         return 1;
     }
     const AVStream *p_stream = p_sys->ic->streams[pkt.stream_index];
     if( p_stream->time_base.den <= 0 )
     {
         msg_Warn( p_demux, "Invalid time base for the stream %d", pkt.stream_index );
-        av_free_packet( &pkt );
+        av_packet_unref( &pkt );
         return 1;
     }
     if( p_stream->codec->codec_id == AV_CODEC_ID_SSA )
@@ -749,7 +749,7 @@ static int Demux( demux_t *p_demux )
         p_frame = BuildSsaFrame( &pkt, p_sys->i_ssa_order++ );
         if( !p_frame )
         {
-            av_free_packet( &pkt );
+            av_packet_unref( &pkt );
             return 1;
         }
     }
@@ -757,7 +757,7 @@ static int Demux( demux_t *p_demux )
     {
         if( ( p_frame = block_Alloc( pkt.size ) ) == NULL )
         {
-            av_free_packet( &pkt );
+            av_packet_unref( &pkt );
             return 0;
         }
         memcpy( p_frame->p_buffer, pkt.data, pkt.size );
@@ -838,7 +838,7 @@ static int Demux( demux_t *p_demux )
     else
         block_Release( p_frame );
 
-    av_free_packet( &pkt );
+    av_packet_unref( &pkt );
     return 1;
 }
 
--- a/modules/codec/avcodec/vaapi.c
+++ b/modules/codec/avcodec/vaapi.c
@@ -595,7 +595,7 @@ static int Create( vlc_va_t *p_va, AVCod
         return err;
 
     /* Only VLD supported */
-    p_va->pix_fmt = PIX_FMT_VAAPI_VLD;
+    p_va->pix_fmt = AV_PIX_FMT_VAAPI_VLD;
     p_va->setup = Setup;
     p_va->get = Get;
     p_va->release = Release;