mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
avconv_qsv: use the device creation API
This commit is contained in:
Anton Khirnov
parent
232399e3ee
commit
02c2761973
247
avconv_qsv.c
247
avconv_qsv.c
@ -20,248 +20,77 @@
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "libavutil/dict.h"
|
||||
#include "libavutil/hwcontext.h"
|
||||
#include "libavutil/hwcontext_qsv.h"
|
||||
#include "libavutil/mem.h"
|
||||
#include "libavutil/opt.h"
|
||||
#include "libavcodec/qsv.h"
|
||||
|
||||
#include "avconv.h"
|
||||
|
||||
typedef struct QSVContext {
|
||||
OutputStream *ost;
|
||||
|
||||
mfxSession session;
|
||||
|
||||
mfxExtOpaqueSurfaceAlloc opaque_alloc;
|
||||
AVBufferRef *opaque_surfaces_buf;
|
||||
|
||||
uint8_t *surface_used;
|
||||
mfxFrameSurface1 **surface_ptrs;
|
||||
int nb_surfaces;
|
||||
|
||||
mfxExtBuffer *ext_buffers[1];
|
||||
} QSVContext;
|
||||
|
||||
static void buffer_release(void *opaque, uint8_t *data)
|
||||
{
|
||||
*(uint8_t*)opaque = 0;
|
||||
}
|
||||
|
||||
static int qsv_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
QSVContext *qsv = ist->hwaccel_ctx;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < qsv->nb_surfaces; i++) {
|
||||
if (qsv->surface_used[i])
|
||||
continue;
|
||||
|
||||
frame->buf[0] = av_buffer_create((uint8_t*)qsv->surface_ptrs[i], sizeof(*qsv->surface_ptrs[i]),
|
||||
buffer_release, &qsv->surface_used[i], 0);
|
||||
if (!frame->buf[0])
|
||||
return AVERROR(ENOMEM);
|
||||
frame->data[3] = (uint8_t*)qsv->surface_ptrs[i];
|
||||
qsv->surface_used[i] = 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
return AVERROR(ENOMEM);
|
||||
}
|
||||
|
||||
static int init_opaque_surf(QSVContext *qsv)
|
||||
{
|
||||
AVQSVContext *hwctx_enc = qsv->ost->enc_ctx->hwaccel_context;
|
||||
mfxFrameSurface1 *surfaces;
|
||||
int i;
|
||||
|
||||
qsv->nb_surfaces = hwctx_enc->nb_opaque_surfaces;
|
||||
|
||||
qsv->opaque_surfaces_buf = av_buffer_ref(hwctx_enc->opaque_surfaces);
|
||||
qsv->surface_ptrs = av_mallocz_array(qsv->nb_surfaces, sizeof(*qsv->surface_ptrs));
|
||||
qsv->surface_used = av_mallocz_array(qsv->nb_surfaces, sizeof(*qsv->surface_used));
|
||||
if (!qsv->opaque_surfaces_buf || !qsv->surface_ptrs || !qsv->surface_used)
|
||||
return AVERROR(ENOMEM);
|
||||
|
||||
surfaces = (mfxFrameSurface1*)qsv->opaque_surfaces_buf->data;
|
||||
for (i = 0; i < qsv->nb_surfaces; i++)
|
||||
qsv->surface_ptrs[i] = surfaces + i;
|
||||
|
||||
qsv->opaque_alloc.Out.Surfaces = qsv->surface_ptrs;
|
||||
qsv->opaque_alloc.Out.NumSurface = qsv->nb_surfaces;
|
||||
qsv->opaque_alloc.Out.Type = hwctx_enc->opaque_alloc_type;
|
||||
|
||||
qsv->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
|
||||
qsv->opaque_alloc.Header.BufferSz = sizeof(qsv->opaque_alloc);
|
||||
qsv->ext_buffers[0] = (mfxExtBuffer*)&qsv->opaque_alloc;
|
||||
|
||||
return 0;
|
||||
return av_hwframe_get_buffer(ist->hw_frames_ctx, frame, 0);
|
||||
}
|
||||
|
||||
static void qsv_uninit(AVCodecContext *s)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
QSVContext *qsv = ist->hwaccel_ctx;
|
||||
av_buffer_unref(&ist->hw_frames_ctx);
|
||||
}
|
||||
|
||||
av_freep(&qsv->ost->enc_ctx->hwaccel_context);
|
||||
av_freep(&s->hwaccel_context);
|
||||
static int qsv_device_init(InputStream *ist)
|
||||
{
|
||||
int err;
|
||||
|
||||
av_buffer_unref(&qsv->opaque_surfaces_buf);
|
||||
av_freep(&qsv->surface_used);
|
||||
av_freep(&qsv->surface_ptrs);
|
||||
err = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_QSV,
|
||||
ist->hwaccel_device, NULL, 0);
|
||||
if (err < 0) {
|
||||
av_log(NULL, AV_LOG_ERROR, "Error creating a QSV device\n");
|
||||
return err;
|
||||
}
|
||||
|
||||
av_freep(&qsv);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int qsv_init(AVCodecContext *s)
|
||||
{
|
||||
InputStream *ist = s->opaque;
|
||||
QSVContext *qsv = ist->hwaccel_ctx;
|
||||
AVQSVContext *hwctx_dec;
|
||||
AVHWFramesContext *frames_ctx;
|
||||
AVQSVFramesContext *frames_hwctx;
|
||||
int ret;
|
||||
|
||||
if (!qsv) {
|
||||
av_log(NULL, AV_LOG_ERROR, "QSV transcoding is not initialized. "
|
||||
"-hwaccel qsv should only be used for one-to-one QSV transcoding "
|
||||
"with no filters.\n");
|
||||
return AVERROR_BUG;
|
||||
if (!hw_device_ctx) {
|
||||
ret = qsv_device_init(ist);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
|
||||
ret = init_opaque_surf(qsv);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
hwctx_dec = av_qsv_alloc_context();
|
||||
if (!hwctx_dec)
|
||||
av_buffer_unref(&ist->hw_frames_ctx);
|
||||
ist->hw_frames_ctx = av_hwframe_ctx_alloc(hw_device_ctx);
|
||||
if (!ist->hw_frames_ctx)
|
||||
return AVERROR(ENOMEM);
|
||||
|
||||
hwctx_dec->session = qsv->session;
|
||||
hwctx_dec->iopattern = MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
|
||||
hwctx_dec->ext_buffers = qsv->ext_buffers;
|
||||
hwctx_dec->nb_ext_buffers = FF_ARRAY_ELEMS(qsv->ext_buffers);
|
||||
frames_ctx = (AVHWFramesContext*)ist->hw_frames_ctx->data;
|
||||
frames_hwctx = frames_ctx->hwctx;
|
||||
|
||||
av_freep(&s->hwaccel_context);
|
||||
s->hwaccel_context = hwctx_dec;
|
||||
frames_ctx->width = s->coded_width;
|
||||
frames_ctx->height = s->coded_height;
|
||||
frames_ctx->format = AV_PIX_FMT_QSV;
|
||||
frames_ctx->sw_format = AV_PIX_FMT_NV12;
|
||||
frames_ctx->initial_pool_size = 32;
|
||||
frames_hwctx->frame_type = MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET;
|
||||
|
||||
ret = av_hwframe_ctx_init(ist->hw_frames_ctx);
|
||||
if (ret < 0) {
|
||||
av_log(NULL, AV_LOG_ERROR, "Error initializing a QSV frame pool\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
ist->hwaccel_get_buffer = qsv_get_buffer;
|
||||
ist->hwaccel_uninit = qsv_uninit;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static mfxIMPL choose_implementation(const InputStream *ist)
|
||||
{
|
||||
static const struct {
|
||||
const char *name;
|
||||
mfxIMPL impl;
|
||||
} impl_map[] = {
|
||||
{ "auto", MFX_IMPL_AUTO },
|
||||
{ "sw", MFX_IMPL_SOFTWARE },
|
||||
{ "hw", MFX_IMPL_HARDWARE },
|
||||
{ "auto_any", MFX_IMPL_AUTO_ANY },
|
||||
{ "hw_any", MFX_IMPL_HARDWARE_ANY },
|
||||
{ "hw2", MFX_IMPL_HARDWARE2 },
|
||||
{ "hw3", MFX_IMPL_HARDWARE3 },
|
||||
{ "hw4", MFX_IMPL_HARDWARE4 },
|
||||
};
|
||||
|
||||
mfxIMPL impl = MFX_IMPL_AUTO_ANY;
|
||||
int i;
|
||||
|
||||
if (ist->hwaccel_device) {
|
||||
for (i = 0; i < FF_ARRAY_ELEMS(impl_map); i++)
|
||||
if (!strcmp(ist->hwaccel_device, impl_map[i].name)) {
|
||||
impl = impl_map[i].impl;
|
||||
break;
|
||||
}
|
||||
if (i == FF_ARRAY_ELEMS(impl_map))
|
||||
impl = strtol(ist->hwaccel_device, NULL, 0);
|
||||
}
|
||||
|
||||
return impl;
|
||||
}
|
||||
|
||||
int qsv_transcode_init(OutputStream *ost)
|
||||
{
|
||||
InputStream *ist;
|
||||
const enum AVPixelFormat *pix_fmt;
|
||||
|
||||
AVDictionaryEntry *e;
|
||||
const AVOption *opt;
|
||||
int flags = 0;
|
||||
|
||||
int err, i;
|
||||
|
||||
QSVContext *qsv = NULL;
|
||||
AVQSVContext *hwctx = NULL;
|
||||
mfxIMPL impl;
|
||||
mfxVersion ver = { { 3, 1 } };
|
||||
|
||||
/* check if the encoder supports QSV */
|
||||
if (!ost->enc->pix_fmts)
|
||||
return 0;
|
||||
for (pix_fmt = ost->enc->pix_fmts; *pix_fmt != AV_PIX_FMT_NONE; pix_fmt++)
|
||||
if (*pix_fmt == AV_PIX_FMT_QSV)
|
||||
break;
|
||||
if (*pix_fmt == AV_PIX_FMT_NONE)
|
||||
return 0;
|
||||
|
||||
if (strcmp(ost->avfilter, "null") || ost->source_index < 0)
|
||||
return 0;
|
||||
|
||||
/* check if the decoder supports QSV and the output only goes to this stream */
|
||||
ist = input_streams[ost->source_index];
|
||||
if (ist->nb_filters || ist->hwaccel_id != HWACCEL_QSV ||
|
||||
!ist->dec || !ist->dec->pix_fmts)
|
||||
return 0;
|
||||
for (pix_fmt = ist->dec->pix_fmts; *pix_fmt != AV_PIX_FMT_NONE; pix_fmt++)
|
||||
if (*pix_fmt == AV_PIX_FMT_QSV)
|
||||
break;
|
||||
if (*pix_fmt == AV_PIX_FMT_NONE)
|
||||
return 0;
|
||||
|
||||
for (i = 0; i < nb_output_streams; i++)
|
||||
if (output_streams[i] != ost &&
|
||||
output_streams[i]->source_index == ost->source_index)
|
||||
return 0;
|
||||
|
||||
av_log(NULL, AV_LOG_VERBOSE, "Setting up QSV transcoding\n");
|
||||
|
||||
qsv = av_mallocz(sizeof(*qsv));
|
||||
hwctx = av_qsv_alloc_context();
|
||||
if (!qsv || !hwctx)
|
||||
goto fail;
|
||||
|
||||
impl = choose_implementation(ist);
|
||||
|
||||
err = MFXInit(impl, &ver, &qsv->session);
|
||||
if (err != MFX_ERR_NONE) {
|
||||
av_log(NULL, AV_LOG_ERROR, "Error initializing an MFX session: %d\n", err);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
|
||||
opt = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
|
||||
if (e && opt)
|
||||
av_opt_eval_flags(ost->enc_ctx, opt, e->value, &flags);
|
||||
|
||||
qsv->ost = ost;
|
||||
|
||||
hwctx->session = qsv->session;
|
||||
hwctx->iopattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY;
|
||||
hwctx->opaque_alloc = 1;
|
||||
hwctx->nb_opaque_surfaces = 16;
|
||||
|
||||
ost->hwaccel_ctx = qsv;
|
||||
ost->enc_ctx->hwaccel_context = hwctx;
|
||||
ost->enc_ctx->pix_fmt = AV_PIX_FMT_QSV;
|
||||
|
||||
ist->hwaccel_ctx = qsv;
|
||||
ist->dec_ctx->pix_fmt = AV_PIX_FMT_QSV;
|
||||
|
||||
return 0;
|
||||
|
||||
fail:
|
||||
av_freep(&hwctx);
|
||||
av_freep(&qsv);
|
||||
return AVERROR_UNKNOWN;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user