avconv: add infrastructure for using hwaccels

1 files changed, 31 insertions, 0 deletions

diff --git a/avconv.h b/avconv.h
index cb3005d3bb..978195206e 100644
--- a/avconv.h
+++ b/avconv.h
@@ -48,6 +48,18 @@
 #define VSYNC_CFR         1
 #define VSYNC_VFR         2
 
+enum HWAccelID {
+    HWACCEL_NONE = 0,
+    HWACCEL_AUTO,
+};
+
+typedef struct HWAccel {
+    const char *name;
+    int (*init)(AVCodecContext *s);
+    enum HWAccelID id;
+    enum AVPixelFormat pix_fmt;
+} HWAccel;
+
 /* select an input stream for an output stream */
 typedef struct StreamMap {
     int disabled;           /* 1 is this mapping is disabled by a negative map */
@@ -94,6 +106,10 @@ typedef struct OptionsContext {
     int        nb_ts_scale;
     SpecifierOpt *dump_attachment;
     int        nb_dump_attachment;
+    SpecifierOpt *hwaccels;
+    int        nb_hwaccels;
+    SpecifierOpt *hwaccel_devices;
+    int        nb_hwaccel_devices;
 
     /* output options */
     StreamMap *stream_maps;
@@ -230,6 +246,19 @@ typedef struct InputStream {
      * currently video and audio only */
     InputFilter **filters;
     int        nb_filters;
+
+    /* hwaccel options */
+    enum HWAccelID hwaccel_id;
+    char  *hwaccel_device;
+
+    /* hwaccel context */
+    enum HWAccelID active_hwaccel_id;
+    void  *hwaccel_ctx;
+    void (*hwaccel_uninit)(AVCodecContext *s);
+    int  (*hwaccel_get_buffer)(AVCodecContext *s, AVFrame *frame, int flags);
+    int  (*hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame);
+    enum AVPixelFormat hwaccel_pix_fmt;
+    enum AVPixelFormat hwaccel_retrieved_pix_fmt;
 } InputStream;
 
 typedef struct InputFile {
@@ -355,6 +384,8 @@ extern const AVIOInterruptCB int_cb;
 
 extern const OptionDef options[];
 
+extern const HWAccel hwaccels[];
+
 void reset_options(OptionsContext *o);
 void show_usage(void);