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lavc/mediacodec: use more meaningful filenames

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Adds the following changes:
  * mediacodecdec.{c,h} -> mediacodecdec_common.{c,h}
  * mediacodecdec_h2645.c -> mediacodecdec.c
pull/238/head
Matthieu Bouron 8 years ago
parent f62c54456d
commit d5082a2ce7
8 changed files with 1252 additions and 1251 deletions
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  1. 14
      libavcodec/Makefile
  2. 3
      libavcodec/mediacodec.c
  3. 2
      libavcodec/mediacodec_sw_buffer.c
  4. 2
      libavcodec/mediacodec_sw_buffer.h
  5. 1064
      libavcodec/mediacodecdec.c
  6. 789
      libavcodec/mediacodecdec_common.c
  7. 6
      libavcodec/mediacodecdec_common.h
  8. 623
      libavcodec/mediacodecdec_h2645.c

14
libavcodec/Makefile
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@ -94,7 +94,7 @@ OBJS-$(CONFIG_LSP) += lsp.o
OBJS-$(CONFIG_LZF) += lzf.o
OBJS-$(CONFIG_MDCT) += mdct_fixed.o mdct_float.o mdct_fixed_32.o
OBJS-$(CONFIG_ME_CMP) += me_cmp.o
OBJS-$(CONFIG_MEDIACODEC) += mediacodecdec.o mediacodec_surface.o mediacodec_wrapper.o mediacodec_sw_buffer.o
OBJS-$(CONFIG_MEDIACODEC) += mediacodecdec_common.o mediacodec_surface.o mediacodec_wrapper.o mediacodec_sw_buffer.o
OBJS-$(CONFIG_MPEG_ER) += mpeg_er.o
OBJS-$(CONFIG_MPEGAUDIO) += mpegaudio.o mpegaudiodata.o \
mpegaudiodecheader.o
@ -316,7 +316,7 @@ OBJS-$(CONFIG_H264_DECODER) += h264dec.o h264_cabac.o h264_cavlc.o \
h264_slice.o h264data.o h264_parse.o \
h2645_parse.o
OBJS-$(CONFIG_H264_CUVID_DECODER) += cuvid.o
OBJS-$(CONFIG_H264_MEDIACODEC_DECODER) += mediacodecdec_h2645.o
OBJS-$(CONFIG_H264_MEDIACODEC_DECODER) += mediacodecdec.o
OBJS-$(CONFIG_H264_MMAL_DECODER) += mmaldec.o
OBJS-$(CONFIG_H264_NVENC_ENCODER) += nvenc_h264.o
OBJS-$(CONFIG_NVENC_ENCODER) += nvenc_h264.o
@ -333,7 +333,7 @@ OBJS-$(CONFIG_HEVC_DECODER) += hevc.o hevc_mvs.o hevc_ps.o hevc_sei.o
hevc_cabac.o hevc_refs.o hevcpred.o \
hevcdsp.o hevc_filter.o h2645_parse.o hevc_data.o
OBJS-$(CONFIG_HEVC_CUVID_DECODER) += cuvid.o
OBJS-$(CONFIG_HEVC_MEDIACODEC_DECODER) += mediacodecdec_h2645.o hevc_parse.o
OBJS-$(CONFIG_HEVC_MEDIACODEC_DECODER) += mediacodecdec.o hevc_parse.o
OBJS-$(CONFIG_HEVC_NVENC_ENCODER) += nvenc_hevc.o
OBJS-$(CONFIG_NVENC_HEVC_ENCODER) += nvenc_hevc.o
OBJS-$(CONFIG_HEVC_QSV_DECODER) += qsvdec_h2645.o
@ -413,7 +413,7 @@ OBJS-$(CONFIG_MPEG2_QSV_ENCODER) += qsvenc_mpeg2.o
OBJS-$(CONFIG_MPEG2VIDEO_DECODER) += mpeg12dec.o mpeg12.o mpeg12data.o
OBJS-$(CONFIG_MPEG2VIDEO_ENCODER) += mpeg12enc.o mpeg12.o
OBJS-$(CONFIG_MPEG4_DECODER) += xvididct.o
OBJS-$(CONFIG_MPEG4_MEDIACODEC_DECODER) += mediacodecdec_h2645.o
OBJS-$(CONFIG_MPEG4_MEDIACODEC_DECODER) += mediacodecdec.o
OBJS-$(CONFIG_MPEG4_OMX_ENCODER) += omx.o
OBJS-$(CONFIG_MPL2_DECODER) += mpl2dec.o ass.o
OBJS-$(CONFIG_MSA1_DECODER) += mss3.o
@ -596,11 +596,11 @@ OBJS-$(CONFIG_VP6_DECODER) += vp6.o vp56.o vp56data.o \
OBJS-$(CONFIG_VP7_DECODER) += vp8.o vp56rac.o
OBJS-$(CONFIG_VP8_DECODER) += vp8.o vp56rac.o
OBJS-$(CONFIG_VP8_CUVID_DECODER) += cuvid.o
OBJS-$(CONFIG_VP8_MEDIACODEC_DECODER) += mediacodecdec_h2645.o
OBJS-$(CONFIG_VP8_MEDIACODEC_DECODER) += mediacodecdec.o
OBJS-$(CONFIG_VP9_DECODER) += vp9.o vp9dsp.o vp56rac.o vp9dsp_8bpp.o \
vp9dsp_10bpp.o vp9dsp_12bpp.o
OBJS-$(CONFIG_VP9_CUVID_DECODER) += cuvid.o
OBJS-$(CONFIG_VP9_MEDIACODEC_DECODER) += mediacodecdec_h2645.o
OBJS-$(CONFIG_VP9_MEDIACODEC_DECODER) += mediacodecdec.o
OBJS-$(CONFIG_VPLAYER_DECODER) += textdec.o ass.o
OBJS-$(CONFIG_VQA_DECODER) += vqavideo.o
OBJS-$(CONFIG_WAVPACK_DECODER) += wavpack.o
@ -1008,7 +1008,7 @@ SKIPHEADERS-$(CONFIG_JNI) += ffjni.h
SKIPHEADERS-$(CONFIG_LIBSCHROEDINGER) += libschroedinger.h
SKIPHEADERS-$(CONFIG_LIBVPX) += libvpx.h
SKIPHEADERS-$(CONFIG_LIBWEBP_ENCODER) += libwebpenc_common.h
SKIPHEADERS-$(CONFIG_MEDIACODEC) += mediacodecdec.h mediacodec_surface.h mediacodec_wrapper.h mediacodec_sw_buffer.h
SKIPHEADERS-$(CONFIG_MEDIACODEC) += mediacodecdec_common.h mediacodec_surface.h mediacodec_wrapper.h mediacodec_sw_buffer.h
SKIPHEADERS-$(CONFIG_NVENC) += nvenc.h
SKIPHEADERS-$(CONFIG_QSV) += qsv.h qsv_internal.h
SKIPHEADERS-$(CONFIG_QSVDEC) += qsvdec.h

3
libavcodec/mediacodec.c
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@ -35,7 +35,8 @@
#include "libavutil/mem.h"
#include "ffjni.h"
#include "mediacodecdec.h"
#include "mediacodecdec_common.h"
#include "version.h"
AVMediaCodecContext *av_mediacodec_alloc_context(void)
{

2
libavcodec/mediacodec_sw_buffer.c
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@ -27,9 +27,9 @@
#include "libavutil/mem.h"
#include "avcodec.h"
#include "mediacodecdec.h"
#include "mediacodec_wrapper.h"
#include "mediacodec_sw_buffer.h"
#include "mediacodecdec_common.h"
#define QCOM_TILE_WIDTH 64
#define QCOM_TILE_HEIGHT 32

2
libavcodec/mediacodec_sw_buffer.h
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@ -28,8 +28,8 @@
#include "libavutil/frame.h"
#include "avcodec.h"
#include "mediacodecdec.h"
#include "mediacodec_wrapper.h"
#include "mediacodecdec_common.h"
void ff_mediacodec_sw_buffer_copy_yuv420_planar(AVCodecContext *avctx,
MediaCodecDecContext *s,

1064
libavcodec/mediacodecdec.c
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File diff suppressed because it is too large Load Diff

789
libavcodec/mediacodecdec_common.c
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@ -0,0 +1,789 @@
/*
* Android MediaCodec decoder
*
* Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
*
* 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 <string.h>
#include <sys/types.h>
#include "libavutil/atomic.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/log.h"
#include "libavutil/pixfmt.h"
#include "libavutil/time.h"
#include "libavutil/timestamp.h"
#include "avcodec.h"
#include "internal.h"
#include "mediacodec.h"
#include "mediacodec_surface.h"
#include "mediacodec_sw_buffer.h"
#include "mediacodec_wrapper.h"
#include "mediacodecdec_common.h"
/**
* OMX.k3.video.decoder.avc, OMX.NVIDIA.* OMX.SEC.avc.dec and OMX.google
* codec workarounds used in various place are taken from the Gstreamer
* project.
*
* Gstreamer references:
* https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/sys/androidmedia/
*
* Gstreamer copyright notice:
*
* Copyright (C) 2012, Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* Copyright (C) 2012, Rafaël Carré <funman@videolanorg>
*
* Copyright (C) 2015, Sebastian Dröge <sebastian@centricular.com>
*
* Copyright (C) 2014-2015, Collabora Ltd.
* Author: Matthieu Bouron <matthieu.bouron@gcollabora.com>
*
* Copyright (C) 2015, Edward Hervey
* Author: Edward Hervey <bilboed@gmail.com>
*
* Copyright (C) 2015, Matthew Waters <matthew@centricular.com>
*
* This library 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
* version 2.1 of the License.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#define INPUT_DEQUEUE_TIMEOUT_US 8000
#define OUTPUT_DEQUEUE_TIMEOUT_US 8000
#define OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US 1000000
enum {
COLOR_FormatYUV420Planar = 0x13,
COLOR_FormatYUV420SemiPlanar = 0x15,
COLOR_FormatYCbYCr = 0x19,
COLOR_FormatAndroidOpaque = 0x7F000789,
COLOR_QCOM_FormatYUV420SemiPlanar = 0x7fa30c00,
COLOR_QCOM_FormatYUV420SemiPlanar32m = 0x7fa30c04,
COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka = 0x7fa30c03,
COLOR_TI_FormatYUV420PackedSemiPlanar = 0x7f000100,
COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced = 0x7f000001,
};
static const struct {
int color_format;
enum AVPixelFormat pix_fmt;
} color_formats[] = {
{ COLOR_FormatYUV420Planar, AV_PIX_FMT_YUV420P },
{ COLOR_FormatYUV420SemiPlanar, AV_PIX_FMT_NV12 },
{ COLOR_QCOM_FormatYUV420SemiPlanar, AV_PIX_FMT_NV12 },
{ COLOR_QCOM_FormatYUV420SemiPlanar32m, AV_PIX_FMT_NV12 },
{ COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka, AV_PIX_FMT_NV12 },
{ COLOR_TI_FormatYUV420PackedSemiPlanar, AV_PIX_FMT_NV12 },
{ COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced, AV_PIX_FMT_NV12 },
{ 0 }
};
static enum AVPixelFormat mcdec_map_color_format(AVCodecContext *avctx,
MediaCodecDecContext *s,
int color_format)
{
int i;
enum AVPixelFormat ret = AV_PIX_FMT_NONE;
if (s->surface) {
return AV_PIX_FMT_MEDIACODEC;
}
if (!strcmp(s->codec_name, "OMX.k3.video.decoder.avc") && color_format == COLOR_FormatYCbYCr) {
s->color_format = color_format = COLOR_TI_FormatYUV420PackedSemiPlanar;
}
for (i = 0; i < FF_ARRAY_ELEMS(color_formats); i++) {
if (color_formats[i].color_format == color_format) {
return color_formats[i].pix_fmt;
}
}
av_log(avctx, AV_LOG_ERROR, "Output color format 0x%x (value=%d) is not supported\n",
color_format, color_format);
return ret;
}
static void ff_mediacodec_dec_ref(MediaCodecDecContext *s)
{
avpriv_atomic_int_add_and_fetch(&s->refcount, 1);
}
static void ff_mediacodec_dec_unref(MediaCodecDecContext *s)
{
if (!s)
return;
if (!avpriv_atomic_int_add_and_fetch(&s->refcount, -1)) {
if (s->codec) {
ff_AMediaCodec_delete(s->codec);
s->codec = NULL;
}
if (s->format) {
ff_AMediaFormat_delete(s->format);
s->format = NULL;
}
if (s->surface) {
ff_mediacodec_surface_unref(s->surface, NULL);
s->surface = NULL;
}
av_freep(&s->codec_name);
av_freep(&s);
}
}
static void mediacodec_buffer_release(void *opaque, uint8_t *data)
{
AVMediaCodecBuffer *buffer = opaque;
MediaCodecDecContext *ctx = buffer->ctx;
int released = avpriv_atomic_int_get(&buffer->released);
if (!released) {
ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, 0);
}
ff_mediacodec_dec_unref(ctx);
av_freep(&buffer);
}
static int mediacodec_wrap_hw_buffer(AVCodecContext *avctx,
MediaCodecDecContext *s,
ssize_t index,
FFAMediaCodecBufferInfo *info,
AVFrame *frame)
{
int ret = 0;
int status = 0;
AVMediaCodecBuffer *buffer = NULL;
frame->buf[0] = NULL;
frame->width = avctx->width;
frame->height = avctx->height;
frame->format = avctx->pix_fmt;
if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
frame->pts = av_rescale_q(info->presentationTimeUs,
av_make_q(1, 1000000),
avctx->pkt_timebase);
} else {
frame->pts = info->presentationTimeUs;
}
#if FF_API_PKT_PTS
FF_DISABLE_DEPRECATION_WARNINGS
frame->pkt_pts = frame->pts;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
frame->pkt_dts = AV_NOPTS_VALUE;
buffer = av_mallocz(sizeof(AVMediaCodecBuffer));
if (!buffer) {
ret = AVERROR(ENOMEM);
goto fail;
}
buffer->released = 0;
frame->buf[0] = av_buffer_create(NULL,
0,
mediacodec_buffer_release,
buffer,
AV_BUFFER_FLAG_READONLY);
if (!frame->buf[0]) {
ret = AVERROR(ENOMEM);
goto fail;
}
buffer->ctx = s;
ff_mediacodec_dec_ref(s);
buffer->index = index;
buffer->pts = info->presentationTimeUs;
frame->data[3] = (uint8_t *)buffer;
return 0;
fail:
av_freep(buffer);
av_buffer_unref(&frame->buf[0]);
status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
ret = AVERROR_EXTERNAL;
}
return ret;
}
static int mediacodec_wrap_sw_buffer(AVCodecContext *avctx,
MediaCodecDecContext *s,
uint8_t *data,
size_t size,
ssize_t index,
FFAMediaCodecBufferInfo *info,
AVFrame *frame)
{
int ret = 0;
int status = 0;
frame->width = avctx->width;
frame->height = avctx->height;
frame->format = avctx->pix_fmt;
/* MediaCodec buffers needs to be copied to our own refcounted buffers
* because the flush command invalidates all input and output buffers.
*/
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not allocate buffer\n");
goto done;
}
/* Override frame->pkt_pts as ff_get_buffer will override its value based
* on the last avpacket received which is not in sync with the frame:
* * N avpackets can be pushed before 1 frame is actually returned
* * 0-sized avpackets are pushed to flush remaining frames at EOS */
frame->pts = info->presentationTimeUs;
#if FF_API_PKT_PTS
FF_DISABLE_DEPRECATION_WARNINGS
frame->pkt_pts = info->presentationTimeUs;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
frame->pkt_dts = AV_NOPTS_VALUE;
av_log(avctx, AV_LOG_DEBUG,
"Frame: width=%d stride=%d height=%d slice-height=%d "
"crop-top=%d crop-bottom=%d crop-left=%d crop-right=%d encoder=%s\n"
"destination linesizes=%d,%d,%d\n" ,
avctx->width, s->stride, avctx->height, s->slice_height,
s->crop_top, s->crop_bottom, s->crop_left, s->crop_right, s->codec_name,
frame->linesize[0], frame->linesize[1], frame->linesize[2]);
switch (s->color_format) {
case COLOR_FormatYUV420Planar:
ff_mediacodec_sw_buffer_copy_yuv420_planar(avctx, s, data, size, info, frame);
break;
case COLOR_FormatYUV420SemiPlanar:
case COLOR_QCOM_FormatYUV420SemiPlanar:
case COLOR_QCOM_FormatYUV420SemiPlanar32m:
ff_mediacodec_sw_buffer_copy_yuv420_semi_planar(avctx, s, data, size, info, frame);
break;
case COLOR_TI_FormatYUV420PackedSemiPlanar:
case COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced:
ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar(avctx, s, data, size, info, frame);
break;
case COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka:
ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar_64x32Tile2m8ka(avctx, s, data, size, info, frame);
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported color format 0x%x (value=%d)\n",
s->color_format, s->color_format);
ret = AVERROR(EINVAL);
goto done;
}
ret = 0;
done:
status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
ret = AVERROR_EXTERNAL;
}
return ret;
}
static int mediacodec_dec_parse_format(AVCodecContext *avctx, MediaCodecDecContext *s)
{
int width = 0;
int height = 0;
int32_t value = 0;
char *format = NULL;
if (!s->format) {
av_log(avctx, AV_LOG_ERROR, "Output MediaFormat is not set\n");
return AVERROR(EINVAL);
}
format = ff_AMediaFormat_toString(s->format);
if (!format) {
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_DEBUG, "Parsing MediaFormat %s\n", format);
av_freep(&format);
/* Mandatory fields */
if (!ff_AMediaFormat_getInt32(s->format, "width", &value)) {
format = ff_AMediaFormat_toString(s->format);
av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "width", format);
av_freep(&format);
return AVERROR_EXTERNAL;
}
s->width = value;
if (!ff_AMediaFormat_getInt32(s->format, "height", &value)) {
format = ff_AMediaFormat_toString(s->format);
av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "height", format);
av_freep(&format);
return AVERROR_EXTERNAL;
}
s->height = value;
if (!ff_AMediaFormat_getInt32(s->format, "stride", &value)) {
format = ff_AMediaFormat_toString(s->format);
av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "stride", format);
av_freep(&format);
return AVERROR_EXTERNAL;
}
s->stride = value > 0 ? value : s->width;
if (!ff_AMediaFormat_getInt32(s->format, "slice-height", &value)) {
format = ff_AMediaFormat_toString(s->format);
av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "slice-height", format);
av_freep(&format);
return AVERROR_EXTERNAL;
}
s->slice_height = value > 0 ? value : s->height;
if (strstr(s->codec_name, "OMX.Nvidia.")) {
s->slice_height = FFALIGN(s->height, 16);
} else if (strstr(s->codec_name, "OMX.SEC.avc.dec")) {
s->slice_height = avctx->height;
s->stride = avctx->width;
}
if (!ff_AMediaFormat_getInt32(s->format, "color-format", &value)) {
format = ff_AMediaFormat_toString(s->format);
av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", "color-format", format);
av_freep(&format);
return AVERROR_EXTERNAL;
}
s->color_format = value;
s->pix_fmt = avctx->pix_fmt = mcdec_map_color_format(avctx, s, value);
if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
av_log(avctx, AV_LOG_ERROR, "Output color format is not supported\n");
return AVERROR(EINVAL);
}
/* Optional fields */
if (ff_AMediaFormat_getInt32(s->format, "crop-top", &value))
s->crop_top = value;
if (ff_AMediaFormat_getInt32(s->format, "crop-bottom", &value))
s->crop_bottom = value;
if (ff_AMediaFormat_getInt32(s->format, "crop-left", &value))
s->crop_left = value;
if (ff_AMediaFormat_getInt32(s->format, "crop-right", &value))
s->crop_right = value;
width = s->crop_right + 1 - s->crop_left;
height = s->crop_bottom + 1 - s->crop_top;
av_log(avctx, AV_LOG_INFO,
"Output crop parameters top=%d bottom=%d left=%d right=%d, "
"resulting dimensions width=%d height=%d\n",
s->crop_top, s->crop_bottom, s->crop_left, s->crop_right,
width, height);
return ff_set_dimensions(avctx, width, height);
}
static int mediacodec_dec_flush_codec(AVCodecContext *avctx, MediaCodecDecContext *s)
{
FFAMediaCodec *codec = s->codec;
int status;
s->output_buffer_count = 0;
s->draining = 0;
s->flushing = 0;
s->eos = 0;
status = ff_AMediaCodec_flush(codec);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to flush codec\n");
return AVERROR_EXTERNAL;
}
return 0;
}
int ff_mediacodec_dec_init(AVCodecContext *avctx, MediaCodecDecContext *s,
const char *mime, FFAMediaFormat *format)
{
int ret = 0;
int status;
int profile;
enum AVPixelFormat pix_fmt;
static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_MEDIACODEC,
AV_PIX_FMT_NONE,
};
s->refcount = 1;
pix_fmt = ff_get_format(avctx, pix_fmts);
if (pix_fmt == AV_PIX_FMT_MEDIACODEC) {
AVMediaCodecContext *user_ctx = avctx->hwaccel_context;
if (user_ctx && user_ctx->surface) {
s->surface = ff_mediacodec_surface_ref(user_ctx->surface, avctx);
av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
}
}
profile = ff_AMediaCodecProfile_getProfileFromAVCodecContext(avctx);
if (profile < 0) {
av_log(avctx, AV_LOG_WARNING, "Unsupported or unknown profile");
}
s->codec_name = ff_AMediaCodecList_getCodecNameByType(mime, profile, 0, avctx);
if (!s->codec_name) {
ret = AVERROR_EXTERNAL;
goto fail;
}
av_log(avctx, AV_LOG_DEBUG, "Found decoder %s\n", s->codec_name);
s->codec = ff_AMediaCodec_createCodecByName(s->codec_name);
if (!s->codec) {
av_log(avctx, AV_LOG_ERROR, "Failed to create media decoder for type %s and name %s\n", mime, s->codec_name);
ret = AVERROR_EXTERNAL;
goto fail;
}
status = ff_AMediaCodec_configure(s->codec, format, s->surface, NULL, 0);
if (status < 0) {
char *desc = ff_AMediaFormat_toString(format);
av_log(avctx, AV_LOG_ERROR,
"Failed to configure codec (status = %d) with format %s\n",
status, desc);
av_freep(&desc);
ret = AVERROR_EXTERNAL;
goto fail;
}
status = ff_AMediaCodec_start(s->codec);
if (status < 0) {
char *desc = ff_AMediaFormat_toString(format);
av_log(avctx, AV_LOG_ERROR,
"Failed to start codec (status = %d) with format %s\n",
status, desc);
av_freep(&desc);
ret = AVERROR_EXTERNAL;
goto fail;
}
s->format = ff_AMediaCodec_getOutputFormat(s->codec);
if (s->format) {
if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
av_log(avctx, AV_LOG_ERROR,
"Failed to configure context\n");
goto fail;
}
}
av_log(avctx, AV_LOG_DEBUG, "MediaCodec %p started successfully\n", s->codec);
return 0;
fail:
av_log(avctx, AV_LOG_ERROR, "MediaCodec %p failed to start\n", s->codec);
ff_mediacodec_dec_close(avctx, s);
return ret;
}
int ff_mediacodec_dec_decode(AVCodecContext *avctx, MediaCodecDecContext *s,
AVFrame *frame, int *got_frame,
AVPacket *pkt)
{
int ret;
int offset = 0;
int need_draining = 0;
uint8_t *data;
ssize_t index;
size_t size;
FFAMediaCodec *codec = s->codec;
FFAMediaCodecBufferInfo info = { 0 };
int status;
int64_t input_dequeue_timeout_us = INPUT_DEQUEUE_TIMEOUT_US;
int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;
if (s->flushing) {
av_log(avctx, AV_LOG_ERROR, "Decoder is flushing and cannot accept new buffer "
"until all output buffers have been released\n");
return AVERROR_EXTERNAL;
}
if (pkt->size == 0) {
need_draining = 1;
}
if (s->draining && s->eos) {
return 0;
}
while (offset < pkt->size || (need_draining && !s->draining)) {
index = ff_AMediaCodec_dequeueInputBuffer(codec, input_dequeue_timeout_us);
if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
break;
}
if (index < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue input buffer (status=%zd)\n", index);
return AVERROR_EXTERNAL;
}
data = ff_AMediaCodec_getInputBuffer(codec, index, &size);
if (!data) {
av_log(avctx, AV_LOG_ERROR, "Failed to get input buffer\n");
return AVERROR_EXTERNAL;
}
if (need_draining) {
int64_t pts = pkt->pts;
uint32_t flags = ff_AMediaCodec_getBufferFlagEndOfStream(codec);
if (s->surface) {
pts = av_rescale_q(pts, avctx->pkt_timebase, av_make_q(1, 1000000));
}
av_log(avctx, AV_LOG_DEBUG, "Sending End Of Stream signal\n");
status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, 0, pts, flags);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to queue input empty buffer (status = %d)\n", status);
return AVERROR_EXTERNAL;
}
s->draining = 1;
break;
} else {
int64_t pts = pkt->pts;
size = FFMIN(pkt->size - offset, size);
memcpy(data, pkt->data + offset, size);
offset += size;
if (s->surface && avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
pts = av_rescale_q(pts, avctx->pkt_timebase, av_make_q(1, 1000000));
}
status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, size, pts, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to queue input buffer (status = %d)\n", status);
return AVERROR_EXTERNAL;
}
}
}
if (need_draining || s->draining) {
/* If the codec is flushing or need to be flushed, block for a fair
* amount of time to ensure we got a frame */
output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
} else if (s->output_buffer_count == 0) {
/* If the codec hasn't produced any frames, do not block so we
* can push data to it as fast as possible, and get the first
* frame */
output_dequeue_timeout_us = 0;
}
index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
if (index >= 0) {
int ret;
av_log(avctx, AV_LOG_DEBUG, "Got output buffer %zd"
" offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
" flags=%" PRIu32 "\n", index, info.offset, info.size,
info.presentationTimeUs, info.flags);
if (info.flags & ff_AMediaCodec_getBufferFlagEndOfStream(codec)) {
s->eos = 1;
}
if (info.size) {
if (s->surface) {
if ((ret = mediacodec_wrap_hw_buffer(avctx, s, index, &info, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
return ret;
}
} else {
data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
if (!data) {
av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
return AVERROR_EXTERNAL;
}
if ((ret = mediacodec_wrap_sw_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
return ret;
}
}
*got_frame = 1;
s->output_buffer_count++;
} else {
status = ff_AMediaCodec_releaseOutputBuffer(codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
}
}
} else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
char *format = NULL;
if (s->format) {
status = ff_AMediaFormat_delete(s->format);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
}
}
s->format = ff_AMediaCodec_getOutputFormat(codec);
if (!s->format) {
av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
return AVERROR_EXTERNAL;
}
format = ff_AMediaFormat_toString(s->format);
if (!format) {
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
av_freep(&format);
if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
return ret;
}
} else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
ff_AMediaCodec_cleanOutputBuffers(codec);
} else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
if (s->draining) {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
"while draining remaining frames, output will probably lack frames\n",
output_dequeue_timeout_us / 1000);
} else {
av_log(avctx, AV_LOG_DEBUG, "No output buffer available, try again later\n");
}
} else {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
return AVERROR_EXTERNAL;
}
return offset;
}
int ff_mediacodec_dec_flush(AVCodecContext *avctx, MediaCodecDecContext *s)
{
if (!s->surface || avpriv_atomic_int_get(&s->refcount) == 1) {
int ret;
/* No frames (holding a reference to the codec) are retained by the
* user, thus we can flush the codec and returns accordingly */
if ((ret = mediacodec_dec_flush_codec(avctx, s)) < 0) {
return ret;
}
return 1;
}
s->flushing = 1;
return 0;
}
int ff_mediacodec_dec_close(AVCodecContext *avctx, MediaCodecDecContext *s)
{
ff_mediacodec_dec_unref(s);
return 0;
}
int ff_mediacodec_dec_is_flushing(AVCodecContext *avctx, MediaCodecDecContext *s)
{
return s->flushing;
}
AVHWAccel ff_h264_mediacodec_hwaccel = {
.name = "mediacodec",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_H264,
.pix_fmt = AV_PIX_FMT_MEDIACODEC,
};
AVHWAccel ff_hevc_mediacodec_hwaccel = {
.name = "mediacodec",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_HEVC,
.pix_fmt = AV_PIX_FMT_MEDIACODEC,
};
AVHWAccel ff_mpeg4_mediacodec_hwaccel = {
.name = "mediacodec",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG4,
.pix_fmt = AV_PIX_FMT_MEDIACODEC,
};
AVHWAccel ff_vp8_mediacodec_hwaccel = {
.name = "mediacodec",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VP8,
.pix_fmt = AV_PIX_FMT_MEDIACODEC,
};
AVHWAccel ff_vp9_mediacodec_hwaccel = {
.name = "mediacodec",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VP9,
.pix_fmt = AV_PIX_FMT_MEDIACODEC,
};

6
libavcodec/mediacodecdec.h → libavcodec/mediacodecdec_common.h
Unescape View File

@ -20,8 +20,8 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_MEDIACODECDEC_H
#define AVCODEC_MEDIACODECDEC_H
#ifndef AVCODEC_MEDIACODECDEC_COMMON_H
#define AVCODEC_MEDIACODECDEC_COMMON_H
#include <stdint.h>
#include <sys/types.h>
@ -92,4 +92,4 @@ typedef struct MediaCodecBuffer {
} MediaCodecBuffer;
#endif /* AVCODEC_MEDIACODECDEC_H */
#endif /* AVCODEC_MEDIACODECDEC_COMMON_H */

623
libavcodec/mediacodecdec_h2645.c
Unescape View File

@ -1,623 +0,0 @@
/*
* Android MediaCodec H.264 / H.265 / MPEG-4 / VP8 / VP9 decoders
*
* Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
*
* 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 <stdint.h>
#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/fifo.h"
#include "libavutil/opt.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/pixfmt.h"
#include "libavutil/atomic.h"
#include "avcodec.h"
#include "h264_parse.h"
#include "hevc_parse.h"
#include "internal.h"
#include "mediacodecdec.h"
#include "mediacodec_wrapper.h"
typedef struct MediaCodecH264DecContext {
MediaCodecDecContext *ctx;
AVBSFContext *bsf;
AVFifoBuffer *fifo;
AVPacket filtered_pkt;
} MediaCodecH264DecContext;
static av_cold int mediacodec_decode_close(AVCodecContext *avctx)
{
MediaCodecH264DecContext *s = avctx->priv_data;
ff_mediacodec_dec_close(avctx, s->ctx);
s->ctx = NULL;
av_fifo_free(s->fifo);
av_bsf_free(&s->bsf);
av_packet_unref(&s->filtered_pkt);
return 0;
}
#if CONFIG_H264_MEDIACODEC_DECODER || CONFIG_HEVC_MEDIACODEC_DECODER
static int h2645_ps_to_nalu(const uint8_t *src, int src_size, uint8_t **out, int *out_size)
{
int i;
int ret = 0;
uint8_t *p = NULL;
static const uint8_t nalu_header[] = { 0x00, 0x00, 0x00, 0x01 };
if (!out || !out_size) {
return AVERROR(EINVAL);
}
p = av_malloc(sizeof(nalu_header) + src_size);
if (!p) {
return AVERROR(ENOMEM);
}
*out = p;
*out_size = sizeof(nalu_header) + src_size;
memcpy(p, nalu_header, sizeof(nalu_header));
memcpy(p + sizeof(nalu_header), src, src_size);
/* Escape 0x00, 0x00, 0x0{0-3} pattern */
for (i = 4; i < *out_size; i++) {
if (i < *out_size - 3 &&
p[i + 0] == 0 &&
p[i + 1] == 0 &&
p[i + 2] <= 3) {
uint8_t *new;
*out_size += 1;
new = av_realloc(*out, *out_size);
if (!new) {
ret = AVERROR(ENOMEM);
goto done;
}
*out = p = new;
i = i + 2;
memmove(p + i + 1, p + i, *out_size - (i + 1));
p[i] = 0x03;
}
}
done:
if (ret < 0) {
av_freep(out);
*out_size = 0;
}
return ret;
}
#endif
#if CONFIG_H264_MEDIACODEC_DECODER
static int h264_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
{
int i;
int ret;
H264ParamSets ps;
const PPS *pps = NULL;
const SPS *sps = NULL;
int is_avc = 0;
int nal_length_size = 0;
memset(&ps, 0, sizeof(ps));
ret = ff_h264_decode_extradata(avctx->extradata, avctx->extradata_size,
&ps, &is_avc, &nal_length_size, 0, avctx);
if (ret < 0) {
goto done;
}
for (i = 0; i < MAX_PPS_COUNT; i++) {
if (ps.pps_list[i]) {
pps = (const PPS*)ps.pps_list[i]->data;
break;
}
}
if (pps) {
if (ps.sps_list[pps->sps_id]) {
sps = (const SPS*)ps.sps_list[pps->sps_id]->data;
}
}
if (pps && sps) {
uint8_t *data = NULL;
int data_size = 0;
if ((ret = h2645_ps_to_nalu(sps->data, sps->data_size, &data, &data_size)) < 0) {
goto done;
}
ff_AMediaFormat_setBuffer(format, "csd-0", (void*)data, data_size);
av_freep(&data);
if ((ret = h2645_ps_to_nalu(pps->data, pps->data_size, &data, &data_size)) < 0) {
goto done;
}
ff_AMediaFormat_setBuffer(format, "csd-1", (void*)data, data_size);
av_freep(&data);
} else {
av_log(avctx, AV_LOG_ERROR, "Could not extract PPS/SPS from extradata");
ret = AVERROR_INVALIDDATA;
}
done:
ff_h264_ps_uninit(&ps);
return ret;
}
#endif
#if CONFIG_HEVC_MEDIACODEC_DECODER
static int hevc_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
{
int i;
int ret;
HEVCParamSets ps;
const HEVCVPS *vps = NULL;
const HEVCPPS *pps = NULL;
const HEVCSPS *sps = NULL;
int is_nalff = 0;
int nal_length_size = 0;
uint8_t *vps_data = NULL;
uint8_t *sps_data = NULL;
uint8_t *pps_data = NULL;
int vps_data_size = 0;
int sps_data_size = 0;
int pps_data_size = 0;
memset(&ps, 0, sizeof(ps));
ret = ff_hevc_decode_extradata(avctx->extradata, avctx->extradata_size,
&ps, &is_nalff, &nal_length_size, 0, avctx);
if (ret < 0) {
goto done;
}
for (i = 0; i < MAX_VPS_COUNT; i++) {
if (ps.vps_list[i]) {
vps = (const HEVCVPS*)ps.vps_list[i]->data;
break;
}
}
for (i = 0; i < MAX_PPS_COUNT; i++) {
if (ps.pps_list[i]) {
pps = (const HEVCPPS*)ps.pps_list[i]->data;
break;
}
}
if (pps) {
if (ps.sps_list[pps->sps_id]) {
sps = (const HEVCSPS*)ps.sps_list[pps->sps_id]->data;
}
}
if (vps && pps && sps) {
uint8_t *data;
int data_size;
if ((ret = h2645_ps_to_nalu(vps->data, vps->data_size, &vps_data, &vps_data_size)) < 0 ||
(ret = h2645_ps_to_nalu(sps->data, sps->data_size, &sps_data, &sps_data_size)) < 0 ||
(ret = h2645_ps_to_nalu(pps->data, pps->data_size, &pps_data, &pps_data_size)) < 0) {
goto done;
}
data_size = vps_data_size + sps_data_size + pps_data_size;
data = av_mallocz(data_size);
if (!data) {
ret = AVERROR(ENOMEM);
goto done;
}
memcpy(data , vps_data, vps_data_size);
memcpy(data + vps_data_size , sps_data, sps_data_size);
memcpy(data + vps_data_size + sps_data_size, pps_data, pps_data_size);
ff_AMediaFormat_setBuffer(format, "csd-0", data, data_size);
av_freep(&data);
} else {
av_log(avctx, AV_LOG_ERROR, "Could not extract VPS/PPS/SPS from extradata");
ret = AVERROR_INVALIDDATA;
}
done:
av_freep(&vps_data);
av_freep(&sps_data);
av_freep(&pps_data);
return ret;
}
#endif
#if CONFIG_MPEG4_MEDIACODEC_DECODER
static int mpeg4_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
{
int ret = 0;
if (avctx->extradata) {
ff_AMediaFormat_setBuffer(format, "csd-0", avctx->extradata, avctx->extradata_size);
}
return ret;
}
#endif
#if CONFIG_VP8_MEDIACODEC_DECODER || CONFIG_VP9_MEDIACODEC_DECODER
static int vpx_set_extradata(AVCodecContext *avctx, FFAMediaFormat *format)
{
int ret = 0;
if (avctx->extradata) {
ff_AMediaFormat_setBuffer(format, "csd-0", avctx->extradata, avctx->extradata_size);
}
return ret;
}
#endif
static av_cold int mediacodec_decode_init(AVCodecContext *avctx)
{
int ret;
const char *codec_mime = NULL;
const char *bsf_name = NULL;
const AVBitStreamFilter *bsf = NULL;
FFAMediaFormat *format = NULL;
MediaCodecH264DecContext *s = avctx->priv_data;
format = ff_AMediaFormat_new();
if (!format) {
av_log(avctx, AV_LOG_ERROR, "Failed to create media format\n");
ret = AVERROR_EXTERNAL;
goto done;
}
switch (avctx->codec_id) {
#if CONFIG_H264_MEDIACODEC_DECODER
case AV_CODEC_ID_H264:
codec_mime = "video/avc";
bsf_name = "h264_mp4toannexb";
ret = h264_set_extradata(avctx, format);
if (ret < 0)
goto done;
break;
#endif
#if CONFIG_HEVC_MEDIACODEC_DECODER
case AV_CODEC_ID_HEVC:
codec_mime = "video/hevc";
bsf_name = "hevc_mp4toannexb";
ret = hevc_set_extradata(avctx, format);
if (ret < 0)
goto done;
break;
#endif
#if CONFIG_MPEG4_MEDIACODEC_DECODER
case AV_CODEC_ID_MPEG4:
codec_mime = "video/mp4v-es",
ret = mpeg4_set_extradata(avctx, format);
if (ret < 0)
goto done;
break;
#endif
#if CONFIG_VP8_MEDIACODEC_DECODER
case AV_CODEC_ID_VP8:
codec_mime = "video/x-vnd.on2.vp8";
ret = vpx_set_extradata(avctx, format);
if (ret < 0)
goto done;
break;
#endif
#if CONFIG_VP9_MEDIACODEC_DECODER
case AV_CODEC_ID_VP9:
codec_mime = "video/x-vnd.on2.vp9";
ret = vpx_set_extradata(avctx, format);
if (ret < 0)
goto done;
break;
#endif
default:
av_assert0(0);
}
ff_AMediaFormat_setString(format, "mime", codec_mime);
ff_AMediaFormat_setInt32(format, "width", avctx->width);
ff_AMediaFormat_setInt32(format, "height", avctx->height);
s->ctx = av_mallocz(sizeof(*s->ctx));
if (!s->ctx) {
av_log(avctx, AV_LOG_ERROR, "Failed to allocate MediaCodecDecContext\n");
ret = AVERROR(ENOMEM);
goto done;
}
if ((ret = ff_mediacodec_dec_init(avctx, s->ctx, codec_mime, format)) < 0) {
s->ctx = NULL;
goto done;
}
av_log(avctx, AV_LOG_INFO, "MediaCodec started successfully, ret = %d\n", ret);
s->fifo = av_fifo_alloc(sizeof(AVPacket));
if (!s->fifo) {
ret = AVERROR(ENOMEM);
goto done;
}
if (bsf_name) {
bsf = av_bsf_get_by_name(bsf_name);
if(!bsf) {
ret = AVERROR_BSF_NOT_FOUND;
goto done;
}
if ((ret = av_bsf_alloc(bsf, &s->bsf))) {
goto done;
}
if (((ret = avcodec_parameters_from_context(s->bsf->par_in, avctx)) < 0) ||
((ret = av_bsf_init(s->bsf)) < 0)) {
goto done;
}
}
av_init_packet(&s->filtered_pkt);
done:
if (format) {
ff_AMediaFormat_delete(format);
}
if (ret < 0) {
mediacodec_decode_close(avctx);
}
return ret;
}
static int mediacodec_process_data(AVCodecContext *avctx, AVFrame *frame,
int *got_frame, AVPacket *pkt)
{
MediaCodecH264DecContext *s = avctx->priv_data;
return ff_mediacodec_dec_decode(avctx, s->ctx, frame, got_frame, pkt);
}
static int mediacodec_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
MediaCodecH264DecContext *s = avctx->priv_data;
AVFrame *frame = data;
int ret;
/* buffer the input packet */
if (avpkt->size) {
AVPacket input_pkt = { 0 };
if (av_fifo_space(s->fifo) < sizeof(input_pkt)) {
ret = av_fifo_realloc2(s->fifo,
av_fifo_size(s->fifo) + sizeof(input_pkt));
if (ret < 0)
return ret;
}
ret = av_packet_ref(&input_pkt, avpkt);
if (ret < 0)
return ret;
av_fifo_generic_write(s->fifo, &input_pkt, sizeof(input_pkt), NULL);
}
/*
* MediaCodec.flush() discards both input and output buffers, thus we
* need to delay the call to this function until the user has released or
* renderered the frames he retains.
*
* After we have buffered an input packet, check if the codec is in the
* flushing state. If it is, we need to call ff_mediacodec_dec_flush.
*
* ff_mediacodec_dec_flush returns 0 if the flush cannot be performed on
* the codec (because the user retains frames). The codec stays in the
* flushing state.
*
* ff_mediacodec_dec_flush returns 1 if the flush can actually be
* performed on the codec. The codec leaves the flushing state and can
* process again packets.
*
* ff_mediacodec_dec_flush returns a negative value if an error has
* occurred.
*
*/
if (ff_mediacodec_dec_is_flushing(avctx, s->ctx)) {
if (!ff_mediacodec_dec_flush(avctx, s->ctx)) {
return avpkt->size;
}
}
/* process buffered data */
while (!*got_frame) {
/* prepare the input data -- convert to Annex B if needed */
if (s->filtered_pkt.size <= 0) {
AVPacket input_pkt = { 0 };
av_packet_unref(&s->filtered_pkt);
/* no more data */
if (av_fifo_size(s->fifo) < sizeof(AVPacket)) {
return avpkt->size ? avpkt->size :
ff_mediacodec_dec_decode(avctx, s->ctx, frame, got_frame, avpkt);
}
av_fifo_generic_read(s->fifo, &input_pkt, sizeof(input_pkt), NULL);
if (s->bsf) {
ret = av_bsf_send_packet(s->bsf, &input_pkt);
if (ret < 0) {
return ret;
}
ret = av_bsf_receive_packet(s->bsf, &s->filtered_pkt);
if (ret == AVERROR(EAGAIN)) {
goto done;
}
} else {
av_packet_move_ref(&s->filtered_pkt, &input_pkt);
}
/* {h264,hevc}_mp4toannexb are used here and do not require flushing */
av_assert0(ret != AVERROR_EOF);
if (ret < 0) {
return ret;
}
}
ret = mediacodec_process_data(avctx, frame, got_frame, &s->filtered_pkt);
if (ret < 0)
return ret;
s->filtered_pkt.size -= ret;
s->filtered_pkt.data += ret;
}
done:
return avpkt->size;
}
static void mediacodec_decode_flush(AVCodecContext *avctx)
{
MediaCodecH264DecContext *s = avctx->priv_data;
while (av_fifo_size(s->fifo)) {
AVPacket pkt;
av_fifo_generic_read(s->fifo, &pkt, sizeof(pkt), NULL);
av_packet_unref(&pkt);
}
av_fifo_reset(s->fifo);
av_packet_unref(&s->filtered_pkt);
ff_mediacodec_dec_flush(avctx, s->ctx);
}
#if CONFIG_H264_MEDIACODEC_DECODER
AVCodec ff_h264_mediacodec_decoder = {
.name = "h264_mediacodec",
.long_name = NULL_IF_CONFIG_SMALL("H.264 Android MediaCodec decoder"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_H264,
.priv_data_size = sizeof(MediaCodecH264DecContext),
.init = mediacodec_decode_init,
.decode = mediacodec_decode_frame,
.flush = mediacodec_decode_flush,
.close = mediacodec_decode_close,
.capabilities = CODEC_CAP_DELAY,
.caps_internal = FF_CODEC_CAP_SETS_PKT_DTS,
};
#endif
#if CONFIG_HEVC_MEDIACODEC_DECODER
AVCodec ff_hevc_mediacodec_decoder = {
.name = "hevc_mediacodec",
.long_name = NULL_IF_CONFIG_SMALL("H.265 Android MediaCodec decoder"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_HEVC,
.priv_data_size = sizeof(MediaCodecH264DecContext),
.init = mediacodec_decode_init,
.decode = mediacodec_decode_frame,
.flush = mediacodec_decode_flush,
.close = mediacodec_decode_close,
.capabilities = CODEC_CAP_DELAY,
.caps_internal = FF_CODEC_CAP_SETS_PKT_DTS,
};
#endif
#if CONFIG_MPEG4_MEDIACODEC_DECODER
AVCodec ff_mpeg4_mediacodec_decoder = {
.name = "mpeg4_mediacodec",
.long_name = NULL_IF_CONFIG_SMALL("MPEG-4 Android MediaCodec decoder"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG4,
.priv_data_size = sizeof(MediaCodecH264DecContext),
.init = mediacodec_decode_init,
.decode = mediacodec_decode_frame,
.flush = mediacodec_decode_flush,
.close = mediacodec_decode_close,
.capabilities = CODEC_CAP_DELAY,
.caps_internal = FF_CODEC_CAP_SETS_PKT_DTS,
};
#endif
#if CONFIG_VP8_MEDIACODEC_DECODER
AVCodec ff_vp8_mediacodec_decoder = {
.name = "vp8_mediacodec",
.long_name = NULL_IF_CONFIG_SMALL("VP8 Android MediaCodec decoder"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VP8,
.priv_data_size = sizeof(MediaCodecH264DecContext),
.init = mediacodec_decode_init,
.decode = mediacodec_decode_frame,
.flush = mediacodec_decode_flush,
.close = mediacodec_decode_close,
.capabilities = CODEC_CAP_DELAY,
.caps_internal = FF_CODEC_CAP_SETS_PKT_DTS,
};
#endif
#if CONFIG_VP9_MEDIACODEC_DECODER
AVCodec ff_vp9_mediacodec_decoder = {
.name = "vp9_mediacodec",
.long_name = NULL_IF_CONFIG_SMALL("VP9 Android MediaCodec decoder"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VP9,
.priv_data_size = sizeof(MediaCodecH264DecContext),
.init = mediacodec_decode_init,
.decode = mediacodec_decode_frame,
.flush = mediacodec_decode_flush,
.close = mediacodec_decode_close,
.capabilities = CODEC_CAP_DELAY,
.caps_internal = FF_CODEC_CAP_SETS_PKT_DTS,
};
#endif
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