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lavc: remove disabled FF_API_VDA_ASYNC cruft

tags/n2.0
Anton Khirnov 12 years ago
parent
commit
adfa53d67c
3 changed files with 0 additions and 182 deletions
  1. +0
    -75
      libavcodec/vda.h
  2. +0
    -104
      libavcodec/vda_h264.c
  3. +0
    -3
      libavcodec/version.h

+ 0
- 75
libavcodec/vda.h View File

@@ -31,10 +31,6 @@

#include "libavcodec/version.h"

#if FF_API_VDA_ASYNC
#include <pthread.h>
#endif

#include <stdint.h>

// emmintrin.h is unable to compile with -std=c99 -Werror=missing-prototypes
@@ -52,39 +48,6 @@
* @{
*/

#if FF_API_VDA_ASYNC
/**
* This structure is used to store decoded frame information and data.
*
* @deprecated Use synchronous decoding mode.
*/
typedef struct vda_frame {
/**
* The PTS of the frame.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
int64_t pts;

/**
* The CoreVideo buffer that contains the decoded data.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
CVPixelBufferRef cv_buffer;

/**
* A pointer to the next frame.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
struct vda_frame *next_frame;
} vda_frame;
#endif

/**
* This structure is used to provide the necessary configurations and data
* to the VDA Libav HWAccel implementation.
@@ -116,28 +79,6 @@ struct vda_context {
*/
int use_sync_decoding;

#if FF_API_VDA_ASYNC
/**
* VDA frames queue ordered by presentation timestamp.
*
* @deprecated Use synchronous decoding mode.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
vda_frame *queue;

/**
* Mutex for locking queue operations.
*
* @deprecated Use synchronous decoding mode.
*
* - encoding: unused
* - decoding: Set/Unset by libavcodec.
*/
pthread_mutex_t queue_mutex;
#endif

/**
* The frame width.
*
@@ -194,22 +135,6 @@ int ff_vda_create_decoder(struct vda_context *vda_ctx,
/** Destroy the video decoder. */
int ff_vda_destroy_decoder(struct vda_context *vda_ctx);

#if FF_API_VDA_ASYNC
/**
* Return the top frame of the queue.
*
* @deprecated Use synchronous decoding mode.
*/
vda_frame *ff_vda_queue_pop(struct vda_context *vda_ctx);

/**
* Release the given frame.
*
* @deprecated Use synchronous decoding mode.
*/
void ff_vda_release_vda_frame(vda_frame *frame);
#endif

/**
* @}
*/


+ 0
- 104
libavcodec/vda_h264.c View File

@@ -28,101 +28,6 @@
#include "h264.h"
#include "vda.h"

#if FF_API_VDA_ASYNC
#include <CoreFoundation/CFDictionary.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;
}

/* Remove and release 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);
}

static int vda_decoder_decode(struct vda_context *vda_ctx,
uint8_t *bitstream,
int bitstream_size,
int64_t frame_pts)
{
OSStatus status = kVDADecoderNoErr;
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;
}

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);
}
}
#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,
@@ -276,10 +181,6 @@ int ff_vda_create_decoder(struct vda_context *vda_ctx,
CFMutableDictionaryRef io_surface_properties;
CFNumberRef cv_pix_fmt;

#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. */
@@ -357,11 +258,6 @@ int ff_vda_destroy_decoder(struct vda_context *vda_ctx)
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

av_freep(&vda_ctx->priv_bitstream);

return status;


+ 0
- 3
libavcodec/version.h View File

@@ -49,9 +49,6 @@
#ifndef FF_API_REQUEST_CHANNELS
#define FF_API_REQUEST_CHANNELS (LIBAVCODEC_VERSION_MAJOR < 56)
#endif
#ifndef FF_API_VDA_ASYNC
#define FF_API_VDA_ASYNC (LIBAVCODEC_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_AVCODEC_RESAMPLE
#define FF_API_AVCODEC_RESAMPLE (LIBAVCODEC_VERSION_MAJOR < 55)
#endif


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