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Diffstat (limited to 'libavcodec/vda_h264.c')
-rw-r--r--libavcodec/vda_h264.c497
1 files changed, 0 insertions, 497 deletions
diff --git a/libavcodec/vda_h264.c b/libavcodec/vda_h264.c
deleted file mode 100644
index 037715da81..0000000000
--- a/libavcodec/vda_h264.c
+++ /dev/null
@@ -1,497 +0,0 @@
-/*
- * VDA H.264 hardware acceleration
- *
- * copyright (c) 2011 Sebastien Zwickert
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <CoreFoundation/CFNumber.h>
-#include <CoreFoundation/CFData.h>
-#include <CoreFoundation/CFString.h>
-
-#include "libavutil/avutil.h"
-#include "h264dec.h"
-#include "internal.h"
-#include "vda.h"
-#include "vda_internal.h"
-
-typedef struct VDAContext {
- // The current bitstream buffer.
- uint8_t *bitstream;
-
- // The current size of the bitstream.
- int bitstream_size;
-
- // The reference size used for fast reallocation.
- int allocated_size;
-
- CVImageBufferRef frame;
-} VDAContext;
-
-/* Decoder callback that adds the VDA frame to the queue in display order. */
-static void vda_decoder_callback(void *vda_hw_ctx,
- CFDictionaryRef user_info,
- OSStatus status,
- uint32_t infoFlags,
- CVImageBufferRef image_buffer)
-{
- struct vda_context *vda_ctx = vda_hw_ctx;
-
- if (!image_buffer)
- return;
-
- if (vda_ctx->cv_pix_fmt_type != CVPixelBufferGetPixelFormatType(image_buffer))
- return;
-
- vda_ctx->cv_buffer = CVPixelBufferRetain(image_buffer);
-}
-
-static int vda_sync_decode(VDAContext *ctx, struct vda_context *vda_ctx)
-{
- OSStatus status;
- CFDataRef coded_frame;
- uint32_t flush_flags = 1 << 0; ///< kVDADecoderFlush_emitFrames
-
- coded_frame = CFDataCreate(kCFAllocatorDefault,
- ctx->bitstream,
- ctx->bitstream_size);
-
- status = VDADecoderDecode(vda_ctx->decoder, 0, coded_frame, NULL);
-
- if (kVDADecoderNoErr == status)
- status = VDADecoderFlush(vda_ctx->decoder, flush_flags);
-
- CFRelease(coded_frame);
-
- return status;
-}
-
-
-static int vda_old_h264_start_frame(AVCodecContext *avctx,
- av_unused const uint8_t *buffer,
- av_unused uint32_t size)
-{
- VDAContext *vda = avctx->internal->hwaccel_priv_data;
- struct vda_context *vda_ctx = avctx->hwaccel_context;
-
- if (!vda_ctx->decoder)
- return -1;
-
- vda->bitstream_size = 0;
-
- return 0;
-}
-
-static int vda_old_h264_decode_slice(AVCodecContext *avctx,
- const uint8_t *buffer,
- uint32_t size)
-{
- VDAContext *vda = avctx->internal->hwaccel_priv_data;
- struct vda_context *vda_ctx = avctx->hwaccel_context;
- void *tmp;
-
- if (!vda_ctx->decoder)
- return -1;
-
- tmp = av_fast_realloc(vda->bitstream,
- &vda->allocated_size,
- vda->bitstream_size + size + 4);
- if (!tmp)
- return AVERROR(ENOMEM);
-
- vda->bitstream = tmp;
-
- AV_WB32(vda->bitstream + vda->bitstream_size, size);
- memcpy(vda->bitstream + vda->bitstream_size + 4, buffer, size);
-
- vda->bitstream_size += size + 4;
-
- return 0;
-}
-
-static int vda_old_h264_end_frame(AVCodecContext *avctx)
-{
- H264Context *h = avctx->priv_data;
- VDAContext *vda = avctx->internal->hwaccel_priv_data;
- struct vda_context *vda_ctx = avctx->hwaccel_context;
- AVFrame *frame = h->cur_pic_ptr->f;
- int status;
-
- if (!vda_ctx->decoder || !vda->bitstream)
- return -1;
-
- status = vda_sync_decode(vda, vda_ctx);
- frame->data[3] = (void*)vda_ctx->cv_buffer;
-
- if (status)
- av_log(avctx, AV_LOG_ERROR, "Failed to decode frame (%d)\n", status);
-
- return status;
-}
-
-int ff_vda_create_decoder(struct vda_context *vda_ctx,
- uint8_t *extradata,
- int extradata_size)
-{
- OSStatus status = kVDADecoderNoErr;
- CFNumberRef height;
- CFNumberRef width;
- CFNumberRef format;
- CFDataRef avc_data;
- CFMutableDictionaryRef config_info;
- CFMutableDictionaryRef buffer_attributes;
- CFMutableDictionaryRef io_surface_properties;
- CFNumberRef cv_pix_fmt;
-
- /* Each VCL NAL in the bitstream sent to the decoder
- * is preceded by a 4 bytes length header.
- * Change the avcC atom header if needed, to signal headers of 4 bytes. */
- if (extradata_size >= 4 && (extradata[4] & 0x03) != 0x03) {
- uint8_t *rw_extradata;
-
- if (!(rw_extradata = av_malloc(extradata_size)))
- return AVERROR(ENOMEM);
-
- memcpy(rw_extradata, extradata, extradata_size);
-
- rw_extradata[4] |= 0x03;
-
- avc_data = CFDataCreate(kCFAllocatorDefault, rw_extradata, extradata_size);
-
- av_freep(&rw_extradata);
- } else {
- avc_data = CFDataCreate(kCFAllocatorDefault, extradata, extradata_size);
- }
-
- config_info = CFDictionaryCreateMutable(kCFAllocatorDefault,
- 4,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
-
- height = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &vda_ctx->height);
- width = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &vda_ctx->width);
- format = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &vda_ctx->format);
-
- CFDictionarySetValue(config_info, kVDADecoderConfiguration_Height, height);
- CFDictionarySetValue(config_info, kVDADecoderConfiguration_Width, width);
- CFDictionarySetValue(config_info, kVDADecoderConfiguration_SourceFormat, format);
- CFDictionarySetValue(config_info, kVDADecoderConfiguration_avcCData, avc_data);
-
- buffer_attributes = CFDictionaryCreateMutable(kCFAllocatorDefault,
- 2,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
- io_surface_properties = CFDictionaryCreateMutable(kCFAllocatorDefault,
- 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
- cv_pix_fmt = CFNumberCreate(kCFAllocatorDefault,
- kCFNumberSInt32Type,
- &vda_ctx->cv_pix_fmt_type);
- CFDictionarySetValue(buffer_attributes,
- kCVPixelBufferPixelFormatTypeKey,
- cv_pix_fmt);
- CFDictionarySetValue(buffer_attributes,
- kCVPixelBufferIOSurfacePropertiesKey,
- io_surface_properties);
-
- status = VDADecoderCreate(config_info,
- buffer_attributes,
- (VDADecoderOutputCallback *)vda_decoder_callback,
- vda_ctx,
- &vda_ctx->decoder);
-
- CFRelease(height);
- CFRelease(width);
- CFRelease(format);
- CFRelease(avc_data);
- CFRelease(config_info);
- CFRelease(io_surface_properties);
- CFRelease(cv_pix_fmt);
- CFRelease(buffer_attributes);
-
- return status;
-}
-
-int ff_vda_destroy_decoder(struct vda_context *vda_ctx)
-{
- OSStatus status = kVDADecoderNoErr;
-
- if (vda_ctx->decoder)
- status = VDADecoderDestroy(vda_ctx->decoder);
-
- return status;
-}
-
-static int vda_h264_uninit(AVCodecContext *avctx)
-{
- VDAContext *vda = avctx->internal->hwaccel_priv_data;
- av_freep(&vda->bitstream);
- if (vda->frame)
- CVPixelBufferRelease(vda->frame);
- return 0;
-}
-
-AVHWAccel ff_h264_vda_old_hwaccel = {
- .name = "h264_vda",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_H264,
- .pix_fmt = AV_PIX_FMT_VDA_VLD,
- .start_frame = vda_old_h264_start_frame,
- .decode_slice = vda_old_h264_decode_slice,
- .end_frame = vda_old_h264_end_frame,
- .uninit = vda_h264_uninit,
- .priv_data_size = sizeof(VDAContext),
-};
-
-void ff_vda_output_callback(void *opaque,
- CFDictionaryRef user_info,
- OSStatus status,
- uint32_t infoFlags,
- CVImageBufferRef image_buffer)
-{
- AVCodecContext *ctx = opaque;
- VDAContext *vda = ctx->internal->hwaccel_priv_data;
-
-
- if (vda->frame) {
- CVPixelBufferRelease(vda->frame);
- vda->frame = NULL;
- }
-
- if (!image_buffer)
- return;
-
- vda->frame = CVPixelBufferRetain(image_buffer);
-}
-
-static int vda_h264_start_frame(AVCodecContext *avctx,
- const uint8_t *buffer,
- uint32_t size)
-{
- VDAContext *vda = avctx->internal->hwaccel_priv_data;
-
- vda->bitstream_size = 0;
-
- return 0;
-}
-
-static int vda_h264_decode_slice(AVCodecContext *avctx,
- const uint8_t *buffer,
- uint32_t size)
-{
- VDAContext *vda = avctx->internal->hwaccel_priv_data;
- void *tmp;
-
- tmp = av_fast_realloc(vda->bitstream,
- &vda->allocated_size,
- vda->bitstream_size + size + 4);
- if (!tmp)
- return AVERROR(ENOMEM);
-
- vda->bitstream = tmp;
-
- AV_WB32(vda->bitstream + vda->bitstream_size, size);
- memcpy(vda->bitstream + vda->bitstream_size + 4, buffer, size);
-
- vda->bitstream_size += size + 4;
-
- return 0;
-}
-
-static void release_buffer(void *opaque, uint8_t *data)
-{
- CVImageBufferRef frame = (CVImageBufferRef)data;
- CVPixelBufferRelease(frame);
-}
-
-static int vda_h264_end_frame(AVCodecContext *avctx)
-{
- H264Context *h = avctx->priv_data;
- VDAContext *vda = avctx->internal->hwaccel_priv_data;
- AVVDAContext *vda_ctx = avctx->hwaccel_context;
- AVFrame *frame = h->cur_pic_ptr->f;
- uint32_t flush_flags = 1 << 0; ///< kVDADecoderFlush_emitFrames
- CFDataRef coded_frame;
- OSStatus status;
-
- if (!vda->bitstream_size)
- return AVERROR_INVALIDDATA;
-
-
- coded_frame = CFDataCreate(kCFAllocatorDefault,
- vda->bitstream,
- vda->bitstream_size);
-
- status = VDADecoderDecode(vda_ctx->decoder, 0, coded_frame, NULL);
-
- if (status == kVDADecoderNoErr)
- status = VDADecoderFlush(vda_ctx->decoder, flush_flags);
-
- CFRelease(coded_frame);
-
- if (!vda->frame)
- return AVERROR_UNKNOWN;
-
- if (status != kVDADecoderNoErr) {
- av_log(avctx, AV_LOG_ERROR, "Failed to decode frame (%d)\n", status);
- return AVERROR_UNKNOWN;
- }
-
- av_buffer_unref(&frame->buf[0]);
-
- frame->buf[0] = av_buffer_create((uint8_t*)vda->frame,
- sizeof(vda->frame),
- release_buffer, NULL,
- AV_BUFFER_FLAG_READONLY);
- if (!frame->buf[0])
- return AVERROR(ENOMEM);
-
- frame->data[3] = (uint8_t*)vda->frame;
- vda->frame = NULL;
-
- return 0;
-}
-
-int ff_vda_default_init(AVCodecContext *avctx)
-{
- AVVDAContext *vda_ctx = avctx->hwaccel_context;
- OSStatus status = kVDADecoderNoErr;
- CFNumberRef height;
- CFNumberRef width;
- CFNumberRef format;
- CFDataRef avc_data;
- CFMutableDictionaryRef config_info;
- CFMutableDictionaryRef buffer_attributes;
- CFMutableDictionaryRef io_surface_properties;
- CFNumberRef cv_pix_fmt;
- int32_t fmt = 'avc1', pix_fmt = vda_ctx->cv_pix_fmt_type;
-
- // kCVPixelFormatType_420YpCbCr8Planar;
-
- /* Each VCL NAL in the bitstream sent to the decoder
- * is preceded by a 4 bytes length header.
- * Change the avcC atom header if needed, to signal headers of 4 bytes. */
- if (avctx->extradata_size >= 4 && (avctx->extradata[4] & 0x03) != 0x03) {
- uint8_t *rw_extradata;
-
- if (!(rw_extradata = av_malloc(avctx->extradata_size)))
- return AVERROR(ENOMEM);
-
- memcpy(rw_extradata, avctx->extradata, avctx->extradata_size);
-
- rw_extradata[4] |= 0x03;
-
- avc_data = CFDataCreate(kCFAllocatorDefault, rw_extradata, avctx->extradata_size);
-
- av_freep(&rw_extradata);
- } else {
- avc_data = CFDataCreate(kCFAllocatorDefault,
- avctx->extradata, avctx->extradata_size);
- }
-
- config_info = CFDictionaryCreateMutable(kCFAllocatorDefault,
- 4,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
-
- height = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &avctx->height);
- width = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &avctx->width);
- format = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &fmt);
- CFDictionarySetValue(config_info, kVDADecoderConfiguration_Height, height);
- CFDictionarySetValue(config_info, kVDADecoderConfiguration_Width, width);
- CFDictionarySetValue(config_info, kVDADecoderConfiguration_avcCData, avc_data);
- CFDictionarySetValue(config_info, kVDADecoderConfiguration_SourceFormat, format);
-
- buffer_attributes = CFDictionaryCreateMutable(kCFAllocatorDefault,
- 2,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
- io_surface_properties = CFDictionaryCreateMutable(kCFAllocatorDefault,
- 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
- cv_pix_fmt = CFNumberCreate(kCFAllocatorDefault,
- kCFNumberSInt32Type,
- &pix_fmt);
-
- CFDictionarySetValue(buffer_attributes,
- kCVPixelBufferPixelFormatTypeKey,
- cv_pix_fmt);
- CFDictionarySetValue(buffer_attributes,
- kCVPixelBufferIOSurfacePropertiesKey,
- io_surface_properties);
-
- status = VDADecoderCreate(config_info,
- buffer_attributes,
- (VDADecoderOutputCallback *)ff_vda_output_callback,
- avctx,
- &vda_ctx->decoder);
-
- CFRelease(format);
- CFRelease(height);
- CFRelease(width);
- CFRelease(avc_data);
- CFRelease(config_info);
- CFRelease(cv_pix_fmt);
- CFRelease(io_surface_properties);
- CFRelease(buffer_attributes);
-
- if (status != kVDADecoderNoErr) {
- av_log(avctx, AV_LOG_ERROR, "Cannot initialize VDA %d\n", status);
- }
-
- switch (status) {
- case kVDADecoderHardwareNotSupportedErr:
- case kVDADecoderFormatNotSupportedErr:
- return AVERROR(ENOSYS);
- case kVDADecoderConfigurationError:
- return AVERROR(EINVAL);
- case kVDADecoderDecoderFailedErr:
- return AVERROR_INVALIDDATA;
- case kVDADecoderNoErr:
- return 0;
- default:
- return AVERROR_UNKNOWN;
- }
-}
-
-static int vda_h264_alloc_frame(AVCodecContext *avctx, AVFrame *frame)
-{
- frame->width = avctx->width;
- frame->height = avctx->height;
- frame->format = avctx->pix_fmt;
- frame->buf[0] = av_buffer_alloc(1);
-
- if (!frame->buf[0])
- return AVERROR(ENOMEM);
- return 0;
-}
-
-AVHWAccel ff_h264_vda_hwaccel = {
- .name = "h264_vda",
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_H264,
- .pix_fmt = AV_PIX_FMT_VDA,
- .alloc_frame = vda_h264_alloc_frame,
- .start_frame = vda_h264_start_frame,
- .decode_slice = vda_h264_decode_slice,
- .end_frame = vda_h264_end_frame,
- .uninit = vda_h264_uninit,
- .priv_data_size = sizeof(VDAContext),
-};
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