Merge commit '5d273d3efac340ef8de445c955ff44c7abed4e8f'

* commit '5d273d3efac340ef8de445c955ff44c7abed4e8f':
  avconv: VAAPI hwcontext initialisation and hwaccel helper

Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

1 files changed, 20 insertions, 2 deletions

diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c
index 458f3ae6c5..1608eb12b3 100644
--- a/ffmpeg_filter.c
+++ b/ffmpeg_filter.c
@@ -24,6 +24,7 @@
 
 #include "libavfilter/avfilter.h"
 #include "libavfilter/buffersink.h"
+#include "libavfilter/buffersrc.h"
 
 #include "libavresample/avresample.h"
 
@@ -38,7 +39,6 @@
 #include "libavutil/imgutils.h"
 #include "libavutil/samplefmt.h"
 
-
 static const enum AVPixelFormat *get_compliance_unofficial_pix_fmts(enum AVCodecID codec_id, const enum AVPixelFormat default_formats[])
 {
     static const enum AVPixelFormat mjpeg_formats[] =
@@ -428,7 +428,7 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter,
     if (ret < 0)
         return ret;
 
-    if (codec->width || codec->height) {
+    if (!hw_device_ctx && (codec->width || codec->height)) {
         char args[255];
         AVFilterContext *filter;
         AVDictionaryEntry *e = NULL;
@@ -719,6 +719,12 @@ static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
     char name[255];
     int ret, pad_idx = 0;
     int64_t tsoffset = 0;
+    AVBufferSrcParameters *par = av_buffersrc_parameters_alloc();
+
+    if (!par)
+        return AVERROR(ENOMEM);
+    memset(par, 0, sizeof(*par));
+    par->format = AV_PIX_FMT_NONE;
 
     if (ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) {
         av_log(NULL, AV_LOG_ERROR, "Cannot connect video filter to audio input\n");
@@ -752,9 +758,15 @@ static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
     snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
              ist->file_index, ist->st->index);
 
+
     if ((ret = avfilter_graph_create_filter(&ifilter->filter, buffer_filt, name,
                                             args.str, NULL, fg->graph)) < 0)
         return ret;
+    par->hw_frames_ctx = ist->hw_frames_ctx;
+    ret = av_buffersrc_parameters_set(ifilter->filter, par);
+    if (ret < 0)
+        return ret;
+    av_freep(&par);
     last_filter = ifilter->filter;
 
     if (ist->autorotate) {
@@ -1010,6 +1022,12 @@ int configure_filtergraph(FilterGraph *fg)
     if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
         return ret;
 
+    if (hw_device_ctx) {
+        for (i = 0; i < fg->graph->nb_filters; i++) {
+            fg->graph->filters[i]->hw_device_ctx = av_buffer_ref(hw_device_ctx);
+        }
+    }
+
     if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
         const char *num_inputs;
         const char *num_outputs;