/*****************************************************************************
* vda.c: VDA helpers for the libavcodec decoder
*****************************************************************************
- * Copyright © 2012 VideoLAN
+ * Copyright (C) 2012-2014 VLC authors VideoLAN
*
* Authors: Sebastien Zwickert <dilaroga@free.fr>
+ * Rémi Denis-Courmont <remi # remlab : net>
+ * Felix Paul Kühne <fkuehne # videolan org>
+ * David Fuhrmann <david.fuhrmann # googlemail com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
#include "avcodec.h"
#include "va.h"
-#include "copy.h"
+#include "../../video_chroma/copy.h"
#include <libavcodec/vda.h>
#include <VideoDecodeAcceleration/VDADecoder.h>
-static int Open( vlc_va_t *, int, const es_format_t * );
+#pragma mark prototypes and definitions
+
+static int Open( vlc_va_t *, AVCodecContext *, const es_format_t * );
static void Close( vlc_va_t * );
+static int Setup( vlc_va_t *, void **, vlc_fourcc_t *, int , int );
+static int Get( vlc_va_t *, void **, uint8_t ** );
+static int Extract( vlc_va_t *, picture_t *, void *, uint8_t * );
+static void Release( void *, uint8_t * );
+
+static void vda_Copy422YpCbCr8( picture_t *p_pic,
+ CVPixelBufferRef buffer )
+{
+ int i_dst_stride, i_src_stride;
+ uint8_t *p_dst, *p_src;
+
+ CVPixelBufferLockBaseAddress( buffer, 0 );
+
+ for( int i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
+ {
+ p_dst = p_pic->p[i_plane].p_pixels;
+ p_src = CVPixelBufferGetBaseAddressOfPlane( buffer, i_plane );
+ i_dst_stride = p_pic->p[i_plane].i_pitch;
+ i_src_stride = CVPixelBufferGetBytesPerRowOfPlane( buffer, i_plane );
+
+ for( int i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines ; i_line++ )
+ {
+ memcpy( p_dst, p_src, i_src_stride );
+
+ p_src += i_src_stride;
+ p_dst += i_dst_stride;
+ }
+ }
+
+ CVPixelBufferUnlockBaseAddress( buffer, 0 );
+}
+
+#ifndef HAVE_AV_VDA_ALLOC_CONTEXT
static const int nvda_pix_fmt_list[] = { 0, 1 };
static const char *const nvda_pix_fmt_list_text[] =
return p_va->sys;
}
-/*****************************************************************************
- * vda_Copy420YpCbCr8Planar: copy y420 CVPixelBuffer to picture_t
- *****************************************************************************/
-static void vda_Copy420YpCbCr8Planar( picture_t *p_pic,
- CVPixelBufferRef buffer,
- unsigned i_width,
- unsigned i_height,
- copy_cache_t *cache )
-{
- uint8_t *pp_plane[3];
- size_t pi_pitch[3];
-
- if (!buffer)
- return;
+#pragma mark - module handling
- CVPixelBufferLockBaseAddress( buffer, 0 );
+static int Open( vlc_va_t *external, AVCodecContext *ctx,
+ const es_format_t *fmt )
+{
+ msg_Dbg( external, "opening VDA module" );
+ if( ctx->codec_id != AV_CODEC_ID_H264 )
+ {
+ msg_Warn( external, "input codec isn't H264, canceling VDA decoding" );
+ return VLC_EGENERIC;
+ }
- for( int i = 0; i < 3; i++ )
+ if( fmt->p_extra == NULL || fmt->i_extra < 7 )
{
- pp_plane[i] = CVPixelBufferGetBaseAddressOfPlane( buffer, i );
- pi_pitch[i] = CVPixelBufferGetBytesPerRowOfPlane( buffer, i );
+ msg_Warn( external, "VDA requires extradata." );
+ return VLC_EGENERIC;
}
- CopyFromYv12( p_pic, pp_plane, pi_pitch,
- i_width, i_height, cache );
+ vlc_va_vda_t *p_va = calloc( 1, sizeof(*p_va) );
+ if( !p_va )
+ return VLC_EGENERIC;
- CVPixelBufferUnlockBaseAddress( buffer, 0 );
- CVPixelBufferRelease( buffer );
+ p_va->p_log = VLC_OBJECT(external);
+ p_va->p_extradata = fmt->p_extra;
+ p_va->i_extradata = fmt->i_extra;
+
+ external->sys = p_va;
+ external->description = "VDA";
+ external->pix_fmt = PIX_FMT_VDA_VLD;
+ external->setup = Setup;
+ external->get = Get;
+ external->release = Release;
+ external->extract = Extract;
+
+ return VLC_SUCCESS;
}
-/*****************************************************************************
- * vda_Copy422YpCbCr8: copy 2vuy CVPixelBuffer to picture_t
- *****************************************************************************/
-static void vda_Copy422YpCbCr8( picture_t *p_pic,
- CVPixelBufferRef buffer )
+static void Close( vlc_va_t *external )
{
- int i_plane, i_line, i_dst_stride, i_src_stride;
- uint8_t *p_dst, *p_src;
-
- CVPixelBufferLockBaseAddress( buffer, 0 );
+ vlc_va_vda_t *p_va = vlc_va_vda_Get( external );
- for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
- {
- p_dst = p_pic->p[i_plane].p_pixels;
- p_src = CVPixelBufferGetBaseAddressOfPlane( buffer, i_plane );
- i_dst_stride = p_pic->p[i_plane].i_pitch;
- i_src_stride = CVPixelBufferGetBytesPerRowOfPlane( buffer, i_plane );
+ msg_Dbg(p_va->p_log, "destroying VDA decoder");
- for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines ; i_line++ )
- {
- memcpy( p_dst, p_src, i_src_stride );
+ ff_vda_destroy_decoder( &p_va->hw_ctx ) ;
- p_src += i_src_stride;
- p_dst += i_dst_stride;
- }
- }
+ if( p_va->hw_ctx.cv_pix_fmt_type == kCVPixelFormatType_420YpCbCr8Planar )
+ CopyCleanCache( &p_va->image_cache );
- CVPixelBufferUnlockBaseAddress( buffer, 0 );
- CVPixelBufferRelease( buffer );
+ free( p_va );
}
static int Setup( vlc_va_t *external, void **pp_hw_ctx, vlc_fourcc_t *pi_chroma,
- int i_width, int i_height )
+ int i_width, int i_height )
{
vlc_va_vda_t *p_va = vlc_va_vda_Get( external );
if( p_va->hw_ctx.width == i_width
- && p_va->hw_ctx.height == i_height
- && p_va->hw_ctx.decoder )
+ && p_va->hw_ctx.height == i_height
+ && p_va->hw_ctx.decoder )
{
*pp_hw_ctx = &p_va->hw_ctx;
*pi_chroma = p_va->i_chroma;
memset( &p_va->hw_ctx, 0, sizeof(p_va->hw_ctx) );
p_va->hw_ctx.format = 'avc1';
+ p_va->hw_ctx.use_ref_buffer = 1;
int i_pix_fmt = var_CreateGetInteger( p_va->p_log, "avcodec-vda-pix-fmt" );
/* create the decoder */
int status = ff_vda_create_decoder( &p_va->hw_ctx,
- p_va->p_extradata,
- p_va->i_extradata );
+ p_va->p_extradata,
+ p_va->i_extradata );
if( status )
{
msg_Err( p_va->p_log, "Failed to create decoder: %i", status );
return VLC_SUCCESS;
}
+#pragma mark - actual data handling
+
+static void vda_Copy420YpCbCr8Planar( picture_t *p_pic,
+ CVPixelBufferRef buffer,
+ unsigned i_width,
+ unsigned i_height,
+ copy_cache_t *cache )
+{
+ uint8_t *pp_plane[3];
+ size_t pi_pitch[3];
+
+ if (!buffer)
+ return;
+
+ CVPixelBufferLockBaseAddress( buffer, 0 );
+
+ for( int i = 0; i < 3; i++ )
+ {
+ pp_plane[i] = CVPixelBufferGetBaseAddressOfPlane( buffer, i );
+ pi_pitch[i] = CVPixelBufferGetBytesPerRowOfPlane( buffer, i );
+ }
+
+ CopyFromYv12( p_pic, pp_plane, pi_pitch,
+ i_width, i_height, cache );
+
+ CVPixelBufferUnlockBaseAddress( buffer, 0 );
+}
+
static int Get( vlc_va_t *external, void **opaque, uint8_t **data )
{
VLC_UNUSED( external );
return VLC_SUCCESS;
}
-static int Extract( vlc_va_t *external, picture_t *p_picture, AVFrame *p_ff )
+static int Extract( vlc_va_t *external, picture_t *p_picture, void *opaque,
+ uint8_t *data )
{
vlc_va_vda_t *p_va = vlc_va_vda_Get( external );
- CVPixelBufferRef cv_buffer = ( CVPixelBufferRef )p_ff->data[3];
+ CVPixelBufferRef cv_buffer = ( CVPixelBufferRef )data;
if( !cv_buffer )
{
}
else
vda_Copy422YpCbCr8( p_picture, cv_buffer );
-
+ (void) opaque;
return VLC_SUCCESS;
}
(void) opaque; (void) data;
}
-static void Close( vlc_va_t *external )
-{
- vlc_va_vda_t *p_va = vlc_va_vda_Get( external );
+#else
- msg_Dbg(p_va->p_log, "destroying VDA decoder");
+vlc_module_begin ()
+ set_description( N_("Video Decode Acceleration Framework (VDA)") )
+ set_capability( "hw decoder", 0 )
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_VCODEC )
+ set_callbacks( Open, Close )
+vlc_module_end ()
- ff_vda_destroy_decoder( &p_va->hw_ctx ) ;
+struct vlc_va_sys_t
+{
+ // to free the hwaccel
+ AVCodecContext *avctx;
+ vlc_object_t *p_log;
+};
- if( p_va->hw_ctx.cv_pix_fmt_type == kCVPixelFormatType_420YpCbCr8Planar )
- CopyCleanCache( &p_va->image_cache );
+typedef struct vlc_va_sys_t vlc_va_vda_t;
- free( p_va );
+static vlc_va_vda_t *vlc_va_vda_Get( vlc_va_t *p_va )
+{
+ return p_va->sys;
}
-static int Open( vlc_va_t *external, int i_codec_id, const es_format_t *fmt )
+static int Open( vlc_va_t *external, AVCodecContext *avctx,
+ const es_format_t *fmt )
{
- msg_Dbg( external, "opening VDA module" );
- if( i_codec_id != AV_CODEC_ID_H264 )
- {
- msg_Warn( external, "input codec isn't H264, canceling VDA decoding" );
- return VLC_EGENERIC;
- }
-
- if( fmt->p_extra == NULL || fmt->i_extra < 7 )
- {
- msg_Warn( external, "VDA requires extradata." );
- return VLC_EGENERIC;
- }
+ msg_Dbg( external, "VDA decoder Open");
vlc_va_vda_t *p_va = calloc( 1, sizeof(*p_va) );
- if( !p_va )
+ if (!p_va) {
+ av_vda_default_free(avctx);
return VLC_EGENERIC;
-
+ }
p_va->p_log = VLC_OBJECT(external);
- p_va->p_extradata = fmt->p_extra;
- p_va->i_extradata = fmt->i_extra;
+ p_va->avctx = avctx;
external->sys = p_va;
external->description = (char *)"VDA";
- external->pix_fmt = PIX_FMT_VDA_VLD;
+ external->pix_fmt = AV_PIX_FMT_VDA;
external->setup = Setup;
external->get = Get;
external->release = Release;
external->extract = Extract;
+ msg_Dbg( external, "VDA decoder Open success!");
+
+ (void) fmt;
+
+ return VLC_SUCCESS;
+}
+
+static void Close( vlc_va_t *external )
+{
+ vlc_va_vda_t *p_va = vlc_va_vda_Get( external );
+
+ av_vda_default_free(p_va->avctx);
+}
+
+static int Setup( vlc_va_t *external, void **pp_hw_ctx, vlc_fourcc_t *pi_chroma,
+ int i_width, int i_height )
+{
+ VLC_UNUSED( pp_hw_ctx );
+ vlc_va_vda_t *p_va = vlc_va_vda_Get( external );
+
+ *pi_chroma = VLC_CODEC_UYVY;
+
+ av_vda_default_free(p_va->avctx);
+
+ if( av_vda_default_init(p_va->avctx) < 0 )
+ return VLC_EGENERIC;
+
+ (void)i_width; (void)i_height;
+
+ return VLC_SUCCESS;
+}
+// Never called
+static int Get( vlc_va_t *external, void **opaque, uint8_t **data )
+{
+ VLC_UNUSED( external );
+
+ (void) data;
+ (void) opaque;
return VLC_SUCCESS;
}
+
+static int Extract( vlc_va_t *external, picture_t *p_picture, void *opaque,
+ uint8_t *data )
+{
+ vlc_va_vda_t *p_va = vlc_va_vda_Get( external );
+
+ CVPixelBufferRef cv_buffer = (CVPixelBufferRef)data;
+
+ if( !cv_buffer )
+ {
+ msg_Dbg( p_va->p_log, "Frame buffer is empty.");
+ return VLC_EGENERIC;
+ }
+ if (!CVPixelBufferGetDataSize(cv_buffer) > 0)
+ {
+ msg_Dbg( p_va->p_log, "Empty frame buffer");
+ return VLC_EGENERIC;
+ }
+
+ vda_Copy422YpCbCr8( p_picture, cv_buffer );
+
+ (void) opaque;
+ return VLC_SUCCESS;
+}
+
+static void Release( void *opaque, uint8_t *data )
+{
+ (void) opaque; (void) data;
+}
+
+#endif
projects / vlc / blobdiff