vda: Hwaccel 1.2 support

Use the new context and the default functions provided.
This commit is contained in:
Luca Barbato 2014-03-23 17:56:05 +01:00
parent dab56b5fd5
commit e0e79a2e7e
3 changed files with 81 additions and 34 deletions

View File

@ -26,6 +26,49 @@
#include "video/decode/lavc.h"
#include "config.h"
static int probe(struct vd_lavc_hwdec *hwdec, struct mp_hwdec_info *info,
const char *decoder)
{
hwdec_request_api(info, "vda");
if (mp_codec_to_av_codec_id(decoder) != AV_CODEC_ID_H264)
return HWDEC_ERR_NO_CODEC;
return 0;
}
#if HAVE_VDA_AV_VDA_ALLOC_CONTEXT
static int init(struct lavc_ctx *ctx)
{
return 0;
}
static int init_decoder(struct lavc_ctx *ctx, int fmt, int w, int h)
{
av_vda_default_free(ctx->avctx);
if (av_vda_default_init(ctx->avctx) < 0)
return -1;
return 0;
}
static void uninit(struct lavc_ctx *ctx)
{
if (ctx->avctx)
av_vda_default_free(ctx->avctx);
}
const struct vd_lavc_hwdec mp_vd_lavc_vda = {
.type = HWDEC_VDA,
.image_format = IMGFMT_VDA,
.probe = probe,
.init = init,
.uninit = uninit,
.init_decoder = init_decoder,
};
#else
struct priv {
struct vda_context vda_ctx;
};
@ -63,16 +106,6 @@ static void print_vda_error(struct mp_log *log, int lev, char *message,
mp_msg(log, lev, "%s: %d\n", message, error_code);
}
static int probe(struct vd_lavc_hwdec *hwdec, struct mp_hwdec_info *info,
const char *decoder)
{
hwdec_request_api(info, "vda");
if (mp_codec_to_av_codec_id(decoder) != AV_CODEC_ID_H264)
return HWDEC_ERR_NO_CODEC;
return 0;
}
static int init_vda_decoder(struct lavc_ctx *ctx)
{
struct priv *p = ctx->hwdec_priv;
@ -130,6 +163,30 @@ static void uninit(struct lavc_ctx *ctx) {
ff_vda_destroy_decoder(&p->vda_ctx);
}
// This actually returns dummy images, since vda_264 creates it's own AVFrames
// to wrap CVPixelBuffers in planes[3].
static struct mp_image *allocate_image(struct lavc_ctx *ctx, int fmt,
int w, int h)
{
struct priv *p = ctx->hwdec_priv;
if (fmt != IMGFMT_VDA)
return NULL;
if (w != p->vda_ctx.width || h != p->vda_ctx.height)
init_vda_decoder(ctx);
struct mp_image img = {0};
mp_image_setfmt(&img, fmt);
mp_image_set_size(&img, w, h);
// There is an `assert(!dst->f.buf[0])` in libavcodec/h264.c
// Setting the first plane to some dummy value allows to satisfy it
img.planes[0] = (void*)"dummy";
return mp_image_new_custom_ref(&img, NULL, NULL);
}
static void cv_retain(void *pbuf)
{
CVPixelBufferRetain((CVPixelBufferRef)pbuf);
@ -162,30 +219,6 @@ static struct mp_image *process_image(struct lavc_ctx *ctx, struct mp_image *mpi
return cv_mpi;
}
// This actually returns dummy images, since vda_264 creates it's own AVFrames
// to wrap CVPixelBuffers in planes[3].
static struct mp_image *allocate_image(struct lavc_ctx *ctx, int fmt,
int w, int h)
{
struct priv *p = ctx->hwdec_priv;
if (fmt != IMGFMT_VDA)
return NULL;
if (w != p->vda_ctx.width || h != p->vda_ctx.height)
init_vda_decoder(ctx);
struct mp_image img = {0};
mp_image_setfmt(&img, fmt);
mp_image_set_size(&img, w, h);
// There is an `assert(!dst->f.buf[0])` in libavcodec/h264.c
// Setting the first plane to some dummy value allows to satisfy it
img.planes[0] = (void*)"dummy";
return mp_image_new_custom_ref(&img, NULL, NULL);
}
const struct vd_lavc_hwdec mp_vd_lavc_vda = {
.type = HWDEC_VDA,
.image_format = IMGFMT_VDA,
@ -195,3 +228,5 @@ const struct vd_lavc_hwdec mp_vd_lavc_vda = {
.allocate_image = allocate_image,
.process_image = process_image,
};
#endif

View File

@ -21,6 +21,7 @@
#include "video/img_format.h"
#include "fmt-conversion.h"
#include "config.h"
static const struct {
int fmt;
@ -172,7 +173,11 @@ static const struct {
#endif
{IMGFMT_VDPAU, AV_PIX_FMT_VDPAU},
#if HAVE_VDA_AV_VDA_ALLOC_CONTEXT
{IMGFMT_VDA, AV_PIX_FMT_VDA},
#else
{IMGFMT_VDA, AV_PIX_FMT_VDA_VLD},
#endif
{IMGFMT_VAAPI, AV_PIX_FMT_VAAPI_VLD},
{0, AV_PIX_FMT_NONE}

View File

@ -675,6 +675,13 @@ hwaccel_features = [
'func': check_statement ('libavcodec/vda.h',
"""struct vda_context a = (struct vda_context) {
.use_ref_buffer = 1 }""", use='libav')
}, {
'name': 'vda-av-vda-alloc-context',
'desc': "libavcodec VDA hwaccel 1.2",
'deps': [ 'vda-hwaccel' ],
'func': check_statement('libavcodec/vda.h',
'av_vda_alloc_context()',
use='libav')
}, {
'name': '--vda-gl',
'desc': 'VDA with OpenGL',