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author | Sebastien Zwickert <dilaroga@gmail.com> | 2012-08-12 17:03:06 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2012-08-14 03:39:31 +0200 |
commit | 1bfa349a8d706424b5f2f379c439c11be21f4316 (patch) | |
tree | 5fd93ef6ae8e3b4fed25046abe40a40f868dac23 /libavcodec/vda.c | |
parent | 7f3dfd2010c6f92447e34ccbbb303b0fd18997ff (diff) | |
download | ffmpeg-1bfa349a8d706424b5f2f379c439c11be21f4316.tar.gz |
vda: merge implementation into one file.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/vda.c')
-rw-r--r-- | libavcodec/vda.c | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/libavcodec/vda.c b/libavcodec/vda.c deleted file mode 100644 index a4ec158370..0000000000 --- a/libavcodec/vda.c +++ /dev/null @@ -1,311 +0,0 @@ -/* - * VDA HW acceleration. - * - * copyright (c) 2011 Sebastien Zwickert - * - * This file is part of FFmpeg. - * - * FFmpeg 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. - * - * FFmpeg 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <CoreFoundation/CFDictionary.h> -#include <CoreFoundation/CFNumber.h> -#include <CoreFoundation/CFData.h> - -#include "libavutil/avutil.h" -#include "vda_internal.h" - -#if FF_API_VDA_ASYNC -#include <CoreFoundation/CFString.h> - -/* Helper to create a dictionary according to the given pts. */ -static CFDictionaryRef vda_dictionary_with_pts(int64_t i_pts) -{ - CFStringRef key = CFSTR("FF_VDA_DECODER_PTS_KEY"); - CFNumberRef value = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt64Type, &i_pts); - CFDictionaryRef user_info = CFDictionaryCreate(kCFAllocatorDefault, - (const void **)&key, - (const void **)&value, - 1, - &kCFTypeDictionaryKeyCallBacks, - &kCFTypeDictionaryValueCallBacks); - CFRelease(value); - return user_info; -} - -/* Helper to retrieve the pts from the given dictionary. */ -static int64_t vda_pts_from_dictionary(CFDictionaryRef user_info) -{ - CFNumberRef pts; - int64_t outValue = 0; - - if (!user_info) - return 0; - - pts = CFDictionaryGetValue(user_info, CFSTR("FF_VDA_DECODER_PTS_KEY")); - - if (pts) - CFNumberGetValue(pts, kCFNumberSInt64Type, &outValue); - - return outValue; -} - -/* Removes and releases all frames from the queue. */ -static void vda_clear_queue(struct vda_context *vda_ctx) -{ - vda_frame *top_frame; - - pthread_mutex_lock(&vda_ctx->queue_mutex); - - while (vda_ctx->queue) { - top_frame = vda_ctx->queue; - vda_ctx->queue = top_frame->next_frame; - ff_vda_release_vda_frame(top_frame); - } - - pthread_mutex_unlock(&vda_ctx->queue_mutex); -} -#endif - -/* 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 = (struct vda_context*)vda_hw_ctx; - - if (!image_buffer) - return; - - if (vda_ctx->cv_pix_fmt_type != CVPixelBufferGetPixelFormatType(image_buffer)) - return; - - if (vda_ctx->use_sync_decoding) { - vda_ctx->cv_buffer = CVPixelBufferRetain(image_buffer); - } - else { - vda_frame *new_frame; - vda_frame *queue_walker; - - new_frame = av_mallocz(sizeof(vda_frame)); - if (!new_frame) - return; - - new_frame->next_frame = NULL; - new_frame->cv_buffer = CVPixelBufferRetain(image_buffer); - new_frame->pts = vda_pts_from_dictionary(user_info); - - pthread_mutex_lock(&vda_ctx->queue_mutex); - - queue_walker = vda_ctx->queue; - - if (!queue_walker || (new_frame->pts < queue_walker->pts)) { - /* we have an empty queue, or this frame earlier than the current queue head */ - new_frame->next_frame = queue_walker; - vda_ctx->queue = new_frame; - } else { - /* walk the queue and insert this frame where it belongs in display order */ - vda_frame *next_frame; - - while (1) { - next_frame = queue_walker->next_frame; - - if (!next_frame || (new_frame->pts < next_frame->pts)) { - new_frame->next_frame = next_frame; - queue_walker->next_frame = new_frame; - break; - } - queue_walker = next_frame; - } - } - - pthread_mutex_unlock(&vda_ctx->queue_mutex); - } -} - -int ff_vda_create_decoder(struct vda_context *vda_ctx, - uint8_t *extradata, - int extradata_size) -{ - OSStatus status; - CFNumberRef height; - CFNumberRef width; - CFNumberRef format; - CFDataRef avc_data; - CFMutableDictionaryRef config_info; - CFMutableDictionaryRef buffer_attributes; - CFMutableDictionaryRef io_surface_properties; - CFNumberRef cv_pix_fmt; - - vda_ctx->bitstream = NULL; - vda_ctx->ref_size = 0; - -#if FF_API_VDA_ASYNC - pthread_mutex_init(&vda_ctx->queue_mutex, NULL); -#endif - - /* Each VCL NAL in the bistream 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); - -#if FF_API_VDA_ASYNC - vda_clear_queue(vda_ctx); - pthread_mutex_destroy(&vda_ctx->queue_mutex); -#endif - if (vda_ctx->bitstream) - av_freep(&vda_ctx->bitstream); - - return status; -} - -#if FF_API_VDA_ASYNC -vda_frame *ff_vda_queue_pop(struct vda_context *vda_ctx) -{ - vda_frame *top_frame; - - if (!vda_ctx->queue) - return NULL; - - pthread_mutex_lock(&vda_ctx->queue_mutex); - top_frame = vda_ctx->queue; - vda_ctx->queue = top_frame->next_frame; - pthread_mutex_unlock(&vda_ctx->queue_mutex); - - return top_frame; -} - -void ff_vda_release_vda_frame(vda_frame *frame) -{ - if (frame) { - CVPixelBufferRelease(frame->cv_buffer); - av_freep(&frame); - } -} - -int ff_vda_decoder_decode(struct vda_context *vda_ctx, - uint8_t *bitstream, - int bitstream_size, - int64_t frame_pts) -{ - OSStatus status; - CFDictionaryRef user_info; - CFDataRef coded_frame; - - coded_frame = CFDataCreate(kCFAllocatorDefault, bitstream, bitstream_size); - user_info = vda_dictionary_with_pts(frame_pts); - - status = VDADecoderDecode(vda_ctx->decoder, 0, coded_frame, user_info); - - CFRelease(user_info); - CFRelease(coded_frame); - - return status; -} -#endif - -int ff_vda_sync_decode(struct vda_context *vda_ctx) -{ - OSStatus status; - CFDataRef coded_frame; - uint32_t flush_flags = 1 << 0; ///< kVDADecoderFlush_emitFrames - - coded_frame = CFDataCreate(kCFAllocatorDefault, - vda_ctx->bitstream, - vda_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; -} |