2 * Android MediaCodec decoder
4 * Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #include <sys/types.h>
26 #include "libavutil/common.h"
27 #include "libavutil/hwcontext_mediacodec.h"
28 #include "libavutil/mem.h"
29 #include "libavutil/log.h"
30 #include "libavutil/pixfmt.h"
31 #include "libavutil/time.h"
32 #include "libavutil/timestamp.h"
37 #include "mediacodec.h"
38 #include "mediacodec_surface.h"
39 #include "mediacodec_sw_buffer.h"
40 #include "mediacodec_wrapper.h"
41 #include "mediacodecdec_common.h"
44 * OMX.k3.video.decoder.avc, OMX.NVIDIA.* OMX.SEC.avc.dec and OMX.google
45 * codec workarounds used in various place are taken from the Gstreamer
48 * Gstreamer references:
49 * https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/sys/androidmedia/
51 * Gstreamer copyright notice:
53 * Copyright (C) 2012, Collabora Ltd.
54 * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
56 * Copyright (C) 2012, Rafaël Carré <funman@videolanorg>
58 * Copyright (C) 2015, Sebastian Dröge <sebastian@centricular.com>
60 * Copyright (C) 2014-2015, Collabora Ltd.
61 * Author: Matthieu Bouron <matthieu.bouron@gcollabora.com>
63 * Copyright (C) 2015, Edward Hervey
64 * Author: Edward Hervey <bilboed@gmail.com>
66 * Copyright (C) 2015, Matthew Waters <matthew@centricular.com>
68 * This library is free software; you can redistribute it and/or
69 * modify it under the terms of the GNU Lesser General Public
70 * License as published by the Free Software Foundation
71 * version 2.1 of the License.
73 * This library is distributed in the hope that it will be useful,
74 * but WITHOUT ANY WARRANTY; without even the implied warranty of
75 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
76 * Lesser General Public License for more details.
78 * You should have received a copy of the GNU Lesser General Public
79 * License along with this library; if not, write to the Free Software
80 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
84 #define INPUT_DEQUEUE_TIMEOUT_US 8000
85 #define OUTPUT_DEQUEUE_TIMEOUT_US 8000
86 #define OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US 1000000
89 COLOR_RANGE_FULL = 0x1,
90 COLOR_RANGE_LIMITED = 0x2,
93 static enum AVColorRange mcdec_get_color_range(int color_range)
95 switch (color_range) {
96 case COLOR_RANGE_FULL:
97 return AVCOL_RANGE_JPEG;
98 case COLOR_RANGE_LIMITED:
99 return AVCOL_RANGE_MPEG;
101 return AVCOL_RANGE_UNSPECIFIED;
106 COLOR_STANDARD_BT709 = 0x1,
107 COLOR_STANDARD_BT601_PAL = 0x2,
108 COLOR_STANDARD_BT601_NTSC = 0x4,
109 COLOR_STANDARD_BT2020 = 0x6,
112 static enum AVColorSpace mcdec_get_color_space(int color_standard)
114 switch (color_standard) {
115 case COLOR_STANDARD_BT709:
116 return AVCOL_SPC_BT709;
117 case COLOR_STANDARD_BT601_PAL:
118 return AVCOL_SPC_BT470BG;
119 case COLOR_STANDARD_BT601_NTSC:
120 return AVCOL_SPC_SMPTE170M;
121 case COLOR_STANDARD_BT2020:
122 return AVCOL_SPC_BT2020_NCL;
124 return AVCOL_SPC_UNSPECIFIED;
128 static enum AVColorPrimaries mcdec_get_color_pri(int color_standard)
130 switch (color_standard) {
131 case COLOR_STANDARD_BT709:
132 return AVCOL_PRI_BT709;
133 case COLOR_STANDARD_BT601_PAL:
134 return AVCOL_PRI_BT470BG;
135 case COLOR_STANDARD_BT601_NTSC:
136 return AVCOL_PRI_SMPTE170M;
137 case COLOR_STANDARD_BT2020:
138 return AVCOL_PRI_BT2020;
140 return AVCOL_PRI_UNSPECIFIED;
145 COLOR_TRANSFER_LINEAR = 0x1,
146 COLOR_TRANSFER_SDR_VIDEO = 0x3,
147 COLOR_TRANSFER_ST2084 = 0x6,
148 COLOR_TRANSFER_HLG = 0x7,
151 static enum AVColorTransferCharacteristic mcdec_get_color_trc(int color_transfer)
153 switch (color_transfer) {
154 case COLOR_TRANSFER_LINEAR:
155 return AVCOL_TRC_LINEAR;
156 case COLOR_TRANSFER_SDR_VIDEO:
157 return AVCOL_TRC_SMPTE170M;
158 case COLOR_TRANSFER_ST2084:
159 return AVCOL_TRC_SMPTEST2084;
160 case COLOR_TRANSFER_HLG:
161 return AVCOL_TRC_ARIB_STD_B67;
163 return AVCOL_TRC_UNSPECIFIED;
168 COLOR_FormatYUV420Planar = 0x13,
169 COLOR_FormatYUV420SemiPlanar = 0x15,
170 COLOR_FormatYCbYCr = 0x19,
171 COLOR_FormatAndroidOpaque = 0x7F000789,
172 COLOR_QCOM_FormatYUV420SemiPlanar = 0x7fa30c00,
173 COLOR_QCOM_FormatYUV420SemiPlanar32m = 0x7fa30c04,
174 COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka = 0x7fa30c03,
175 COLOR_TI_FormatYUV420PackedSemiPlanar = 0x7f000100,
176 COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced = 0x7f000001,
179 static const struct {
182 enum AVPixelFormat pix_fmt;
184 } color_formats[] = {
186 { COLOR_FormatYUV420Planar, AV_PIX_FMT_YUV420P },
187 { COLOR_FormatYUV420SemiPlanar, AV_PIX_FMT_NV12 },
188 { COLOR_QCOM_FormatYUV420SemiPlanar, AV_PIX_FMT_NV12 },
189 { COLOR_QCOM_FormatYUV420SemiPlanar32m, AV_PIX_FMT_NV12 },
190 { COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka, AV_PIX_FMT_NV12 },
191 { COLOR_TI_FormatYUV420PackedSemiPlanar, AV_PIX_FMT_NV12 },
192 { COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced, AV_PIX_FMT_NV12 },
196 static enum AVPixelFormat mcdec_map_color_format(AVCodecContext *avctx,
197 MediaCodecDecContext *s,
201 enum AVPixelFormat ret = AV_PIX_FMT_NONE;
204 return AV_PIX_FMT_MEDIACODEC;
207 if (!strcmp(s->codec_name, "OMX.k3.video.decoder.avc") && color_format == COLOR_FormatYCbYCr) {
208 s->color_format = color_format = COLOR_TI_FormatYUV420PackedSemiPlanar;
211 for (i = 0; i < FF_ARRAY_ELEMS(color_formats); i++) {
212 if (color_formats[i].color_format == color_format) {
213 return color_formats[i].pix_fmt;
217 av_log(avctx, AV_LOG_ERROR, "Output color format 0x%x (value=%d) is not supported\n",
218 color_format, color_format);
223 static void ff_mediacodec_dec_ref(MediaCodecDecContext *s)
225 atomic_fetch_add(&s->refcount, 1);
228 static void ff_mediacodec_dec_unref(MediaCodecDecContext *s)
233 if (atomic_fetch_sub(&s->refcount, 1) == 1) {
235 ff_AMediaCodec_delete(s->codec);
240 ff_AMediaFormat_delete(s->format);
245 ff_mediacodec_surface_unref(s->surface, NULL);
249 av_freep(&s->codec_name);
254 static void mediacodec_buffer_release(void *opaque, uint8_t *data)
256 AVMediaCodecBuffer *buffer = opaque;
257 MediaCodecDecContext *ctx = buffer->ctx;
258 int released = atomic_load(&buffer->released);
260 if (!released && (ctx->delay_flush || buffer->serial == atomic_load(&ctx->serial))) {
261 atomic_fetch_sub(&ctx->hw_buffer_count, 1);
262 av_log(ctx->avctx, AV_LOG_DEBUG,
263 "Releasing output buffer %zd (%p) ts=%"PRId64" on free() [%d pending]\n",
264 buffer->index, buffer, buffer->pts, atomic_load(&ctx->hw_buffer_count));
265 ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, 0);
268 if (ctx->delay_flush)
269 ff_mediacodec_dec_unref(ctx);
273 static int mediacodec_wrap_hw_buffer(AVCodecContext *avctx,
274 MediaCodecDecContext *s,
276 FFAMediaCodecBufferInfo *info,
281 AVMediaCodecBuffer *buffer = NULL;
283 frame->buf[0] = NULL;
284 frame->width = avctx->width;
285 frame->height = avctx->height;
286 frame->format = avctx->pix_fmt;
287 frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
289 if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
290 frame->pts = av_rescale_q(info->presentationTimeUs,
292 avctx->pkt_timebase);
294 frame->pts = info->presentationTimeUs;
297 FF_DISABLE_DEPRECATION_WARNINGS
298 frame->pkt_pts = frame->pts;
299 FF_ENABLE_DEPRECATION_WARNINGS
301 frame->pkt_dts = AV_NOPTS_VALUE;
302 frame->color_range = avctx->color_range;
303 frame->color_primaries = avctx->color_primaries;
304 frame->color_trc = avctx->color_trc;
305 frame->colorspace = avctx->colorspace;
307 buffer = av_mallocz(sizeof(AVMediaCodecBuffer));
309 ret = AVERROR(ENOMEM);
313 atomic_init(&buffer->released, 0);
315 frame->buf[0] = av_buffer_create(NULL,
317 mediacodec_buffer_release,
319 AV_BUFFER_FLAG_READONLY);
321 if (!frame->buf[0]) {
322 ret = AVERROR(ENOMEM);
328 buffer->serial = atomic_load(&s->serial);
330 ff_mediacodec_dec_ref(s);
332 buffer->index = index;
333 buffer->pts = info->presentationTimeUs;
335 frame->data[3] = (uint8_t *)buffer;
337 atomic_fetch_add(&s->hw_buffer_count, 1);
338 av_log(avctx, AV_LOG_DEBUG,
339 "Wrapping output buffer %zd (%p) ts=%"PRId64" [%d pending]\n",
340 buffer->index, buffer, buffer->pts, atomic_load(&s->hw_buffer_count));
345 av_buffer_unref(&frame->buf[0]);
346 status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
348 av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
349 ret = AVERROR_EXTERNAL;
355 static int mediacodec_wrap_sw_buffer(AVCodecContext *avctx,
356 MediaCodecDecContext *s,
360 FFAMediaCodecBufferInfo *info,
366 frame->width = avctx->width;
367 frame->height = avctx->height;
368 frame->format = avctx->pix_fmt;
370 /* MediaCodec buffers needs to be copied to our own refcounted buffers
371 * because the flush command invalidates all input and output buffers.
373 if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
374 av_log(avctx, AV_LOG_ERROR, "Could not allocate buffer\n");
378 /* Override frame->pkt_pts as ff_get_buffer will override its value based
379 * on the last avpacket received which is not in sync with the frame:
380 * * N avpackets can be pushed before 1 frame is actually returned
381 * * 0-sized avpackets are pushed to flush remaining frames at EOS */
382 if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
383 frame->pts = av_rescale_q(info->presentationTimeUs,
385 avctx->pkt_timebase);
387 frame->pts = info->presentationTimeUs;
390 FF_DISABLE_DEPRECATION_WARNINGS
391 frame->pkt_pts = frame->pts;
392 FF_ENABLE_DEPRECATION_WARNINGS
394 frame->pkt_dts = AV_NOPTS_VALUE;
396 av_log(avctx, AV_LOG_TRACE,
397 "Frame: width=%d stride=%d height=%d slice-height=%d "
398 "crop-top=%d crop-bottom=%d crop-left=%d crop-right=%d encoder=%s "
399 "destination linesizes=%d,%d,%d\n" ,
400 avctx->width, s->stride, avctx->height, s->slice_height,
401 s->crop_top, s->crop_bottom, s->crop_left, s->crop_right, s->codec_name,
402 frame->linesize[0], frame->linesize[1], frame->linesize[2]);
404 switch (s->color_format) {
405 case COLOR_FormatYUV420Planar:
406 ff_mediacodec_sw_buffer_copy_yuv420_planar(avctx, s, data, size, info, frame);
408 case COLOR_FormatYUV420SemiPlanar:
409 case COLOR_QCOM_FormatYUV420SemiPlanar:
410 case COLOR_QCOM_FormatYUV420SemiPlanar32m:
411 ff_mediacodec_sw_buffer_copy_yuv420_semi_planar(avctx, s, data, size, info, frame);
413 case COLOR_TI_FormatYUV420PackedSemiPlanar:
414 case COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced:
415 ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar(avctx, s, data, size, info, frame);
417 case COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka:
418 ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar_64x32Tile2m8ka(avctx, s, data, size, info, frame);
421 av_log(avctx, AV_LOG_ERROR, "Unsupported color format 0x%x (value=%d)\n",
422 s->color_format, s->color_format);
423 ret = AVERROR(EINVAL);
429 status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
431 av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
432 ret = AVERROR_EXTERNAL;
438 #define AMEDIAFORMAT_GET_INT32(name, key, mandatory) do { \
440 if (ff_AMediaFormat_getInt32(s->format, key, &value)) { \
442 } else if (mandatory) { \
443 av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", key, format); \
444 ret = AVERROR_EXTERNAL; \
449 static int mediacodec_dec_parse_format(AVCodecContext *avctx, MediaCodecDecContext *s)
455 int color_standard = 0;
456 int color_transfer = 0;
460 av_log(avctx, AV_LOG_ERROR, "Output MediaFormat is not set\n");
461 return AVERROR(EINVAL);
464 format = ff_AMediaFormat_toString(s->format);
466 return AVERROR_EXTERNAL;
468 av_log(avctx, AV_LOG_DEBUG, "Parsing MediaFormat %s\n", format);
470 /* Mandatory fields */
471 AMEDIAFORMAT_GET_INT32(s->width, "width", 1);
472 AMEDIAFORMAT_GET_INT32(s->height, "height", 1);
474 AMEDIAFORMAT_GET_INT32(s->stride, "stride", 0);
475 s->stride = s->stride > 0 ? s->stride : s->width;
477 AMEDIAFORMAT_GET_INT32(s->slice_height, "slice-height", 0);
479 if (strstr(s->codec_name, "OMX.Nvidia.") && s->slice_height == 0) {
480 s->slice_height = FFALIGN(s->height, 16);
481 } else if (strstr(s->codec_name, "OMX.SEC.avc.dec")) {
482 s->slice_height = avctx->height;
483 s->stride = avctx->width;
484 } else if (s->slice_height == 0) {
485 s->slice_height = s->height;
488 AMEDIAFORMAT_GET_INT32(s->color_format, "color-format", 1);
489 avctx->pix_fmt = mcdec_map_color_format(avctx, s, s->color_format);
490 if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
491 av_log(avctx, AV_LOG_ERROR, "Output color format is not supported\n");
492 ret = AVERROR(EINVAL);
496 /* Optional fields */
497 AMEDIAFORMAT_GET_INT32(s->crop_top, "crop-top", 0);
498 AMEDIAFORMAT_GET_INT32(s->crop_bottom, "crop-bottom", 0);
499 AMEDIAFORMAT_GET_INT32(s->crop_left, "crop-left", 0);
500 AMEDIAFORMAT_GET_INT32(s->crop_right, "crop-right", 0);
502 width = s->crop_right + 1 - s->crop_left;
503 height = s->crop_bottom + 1 - s->crop_top;
505 AMEDIAFORMAT_GET_INT32(s->display_width, "display-width", 0);
506 AMEDIAFORMAT_GET_INT32(s->display_height, "display-height", 0);
508 if (s->display_width && s->display_height) {
509 AVRational sar = av_div_q(
510 (AVRational){ s->display_width, s->display_height },
511 (AVRational){ width, height });
512 ff_set_sar(avctx, sar);
515 AMEDIAFORMAT_GET_INT32(color_range, "color-range", 0);
517 avctx->color_range = mcdec_get_color_range(color_range);
519 AMEDIAFORMAT_GET_INT32(color_standard, "color-standard", 0);
520 if (color_standard) {
521 avctx->colorspace = mcdec_get_color_space(color_standard);
522 avctx->color_primaries = mcdec_get_color_pri(color_standard);
525 AMEDIAFORMAT_GET_INT32(color_transfer, "color-transfer", 0);
527 avctx->color_trc = mcdec_get_color_trc(color_transfer);
529 av_log(avctx, AV_LOG_INFO,
530 "Output crop parameters top=%d bottom=%d left=%d right=%d, "
531 "resulting dimensions width=%d height=%d\n",
532 s->crop_top, s->crop_bottom, s->crop_left, s->crop_right,
536 return ff_set_dimensions(avctx, width, height);
542 static int mediacodec_dec_flush_codec(AVCodecContext *avctx, MediaCodecDecContext *s)
544 FFAMediaCodec *codec = s->codec;
547 s->output_buffer_count = 0;
552 atomic_fetch_add(&s->serial, 1);
553 atomic_init(&s->hw_buffer_count, 0);
554 s->current_input_buffer = -1;
556 status = ff_AMediaCodec_flush(codec);
558 av_log(avctx, AV_LOG_ERROR, "Failed to flush codec\n");
559 return AVERROR_EXTERNAL;
565 int ff_mediacodec_dec_init(AVCodecContext *avctx, MediaCodecDecContext *s,
566 const char *mime, FFAMediaFormat *format)
572 enum AVPixelFormat pix_fmt;
573 static const enum AVPixelFormat pix_fmts[] = {
574 AV_PIX_FMT_MEDIACODEC,
579 atomic_init(&s->refcount, 1);
580 atomic_init(&s->hw_buffer_count, 0);
581 atomic_init(&s->serial, 1);
582 s->current_input_buffer = -1;
584 pix_fmt = ff_get_format(avctx, pix_fmts);
585 if (pix_fmt == AV_PIX_FMT_MEDIACODEC) {
586 AVMediaCodecContext *user_ctx = avctx->hwaccel_context;
588 if (avctx->hw_device_ctx) {
589 AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)(avctx->hw_device_ctx->data);
590 if (device_ctx->type == AV_HWDEVICE_TYPE_MEDIACODEC) {
591 if (device_ctx->hwctx) {
592 AVMediaCodecDeviceContext *mediacodec_ctx = (AVMediaCodecDeviceContext *)device_ctx->hwctx;
593 s->surface = ff_mediacodec_surface_ref(mediacodec_ctx->surface, avctx);
594 av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
599 if (!s->surface && user_ctx && user_ctx->surface) {
600 s->surface = ff_mediacodec_surface_ref(user_ctx->surface, avctx);
601 av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
605 profile = ff_AMediaCodecProfile_getProfileFromAVCodecContext(avctx);
607 av_log(avctx, AV_LOG_WARNING, "Unsupported or unknown profile\n");
610 s->codec_name = ff_AMediaCodecList_getCodecNameByType(mime, profile, 0, avctx);
611 if (!s->codec_name) {
612 ret = AVERROR_EXTERNAL;
616 av_log(avctx, AV_LOG_DEBUG, "Found decoder %s\n", s->codec_name);
617 s->codec = ff_AMediaCodec_createCodecByName(s->codec_name);
619 av_log(avctx, AV_LOG_ERROR, "Failed to create media decoder for type %s and name %s\n", mime, s->codec_name);
620 ret = AVERROR_EXTERNAL;
624 status = ff_AMediaCodec_configure(s->codec, format, s->surface, NULL, 0);
626 char *desc = ff_AMediaFormat_toString(format);
627 av_log(avctx, AV_LOG_ERROR,
628 "Failed to configure codec %s (status = %d) with format %s\n",
629 s->codec_name, status, desc);
632 ret = AVERROR_EXTERNAL;
636 status = ff_AMediaCodec_start(s->codec);
638 char *desc = ff_AMediaFormat_toString(format);
639 av_log(avctx, AV_LOG_ERROR,
640 "Failed to start codec %s (status = %d) with format %s\n",
641 s->codec_name, status, desc);
643 ret = AVERROR_EXTERNAL;
647 s->format = ff_AMediaCodec_getOutputFormat(s->codec);
649 if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
650 av_log(avctx, AV_LOG_ERROR,
651 "Failed to configure context\n");
656 av_log(avctx, AV_LOG_DEBUG, "MediaCodec %p started successfully\n", s->codec);
661 av_log(avctx, AV_LOG_ERROR, "MediaCodec %p failed to start\n", s->codec);
662 ff_mediacodec_dec_close(avctx, s);
666 int ff_mediacodec_dec_send(AVCodecContext *avctx, MediaCodecDecContext *s,
667 AVPacket *pkt, bool wait)
670 int need_draining = 0;
673 FFAMediaCodec *codec = s->codec;
675 int64_t input_dequeue_timeout_us = wait ? INPUT_DEQUEUE_TIMEOUT_US : 0;
679 av_log(avctx, AV_LOG_ERROR, "Decoder is flushing and cannot accept new buffer "
680 "until all output buffers have been released\n");
681 return AVERROR_EXTERNAL;
684 if (pkt->size == 0) {
688 if (s->draining && s->eos) {
692 while (offset < pkt->size || (need_draining && !s->draining)) {
693 ssize_t index = s->current_input_buffer;
695 index = ff_AMediaCodec_dequeueInputBuffer(codec, input_dequeue_timeout_us);
696 if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
697 av_log(avctx, AV_LOG_TRACE, "No input buffer available, try again later\n");
702 av_log(avctx, AV_LOG_ERROR, "Failed to dequeue input buffer (status=%zd)\n", index);
703 return AVERROR_EXTERNAL;
706 s->current_input_buffer = -1;
708 data = ff_AMediaCodec_getInputBuffer(codec, index, &size);
710 av_log(avctx, AV_LOG_ERROR, "Failed to get input buffer\n");
711 return AVERROR_EXTERNAL;
715 if (pts == AV_NOPTS_VALUE) {
716 av_log(avctx, AV_LOG_WARNING, "Input packet is missing PTS\n");
719 if (pts && avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
720 pts = av_rescale_q(pts, avctx->pkt_timebase, AV_TIME_BASE_Q);
724 uint32_t flags = ff_AMediaCodec_getBufferFlagEndOfStream(codec);
726 av_log(avctx, AV_LOG_DEBUG, "Sending End Of Stream signal\n");
728 status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, 0, pts, flags);
730 av_log(avctx, AV_LOG_ERROR, "Failed to queue input empty buffer (status = %d)\n", status);
731 return AVERROR_EXTERNAL;
734 av_log(avctx, AV_LOG_TRACE,
735 "Queued empty EOS input buffer %zd with flags=%d\n", index, flags);
741 size = FFMIN(pkt->size - offset, size);
742 memcpy(data, pkt->data + offset, size);
745 status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, size, pts, 0);
747 av_log(avctx, AV_LOG_ERROR, "Failed to queue input buffer (status = %d)\n", status);
748 return AVERROR_EXTERNAL;
751 av_log(avctx, AV_LOG_TRACE,
752 "Queued input buffer %zd size=%zd ts=%"PRIi64"\n", index, size, pts);
756 return AVERROR(EAGAIN);
760 int ff_mediacodec_dec_receive(AVCodecContext *avctx, MediaCodecDecContext *s,
761 AVFrame *frame, bool wait)
767 FFAMediaCodec *codec = s->codec;
768 FFAMediaCodecBufferInfo info = { 0 };
770 int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;
772 if (s->draining && s->eos) {
777 /* If the codec is flushing or need to be flushed, block for a fair
778 * amount of time to ensure we got a frame */
779 output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
780 } else if (s->output_buffer_count == 0 || !wait) {
781 /* If the codec hasn't produced any frames, do not block so we
782 * can push data to it as fast as possible, and get the first
784 output_dequeue_timeout_us = 0;
787 index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
789 av_log(avctx, AV_LOG_TRACE, "Got output buffer %zd"
790 " offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
791 " flags=%" PRIu32 "\n", index, info.offset, info.size,
792 info.presentationTimeUs, info.flags);
794 if (info.flags & ff_AMediaCodec_getBufferFlagEndOfStream(codec)) {
800 if ((ret = mediacodec_wrap_hw_buffer(avctx, s, index, &info, frame)) < 0) {
801 av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
805 data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
807 av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
808 return AVERROR_EXTERNAL;
811 if ((ret = mediacodec_wrap_sw_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
812 av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
817 s->output_buffer_count++;
820 status = ff_AMediaCodec_releaseOutputBuffer(codec, index, 0);
822 av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
826 } else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
830 status = ff_AMediaFormat_delete(s->format);
832 av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
836 s->format = ff_AMediaCodec_getOutputFormat(codec);
838 av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
839 return AVERROR_EXTERNAL;
842 format = ff_AMediaFormat_toString(s->format);
844 return AVERROR_EXTERNAL;
846 av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
849 if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
853 } else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
854 ff_AMediaCodec_cleanOutputBuffers(codec);
855 } else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
857 av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
858 "while draining remaining frames, output will probably lack frames\n",
859 output_dequeue_timeout_us / 1000);
861 av_log(avctx, AV_LOG_TRACE, "No output buffer available, try again later\n");
864 av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
865 return AVERROR_EXTERNAL;
868 return AVERROR(EAGAIN);
872 * ff_mediacodec_dec_flush returns 0 if the flush cannot be performed on
873 * the codec (because the user retains frames). The codec stays in the
876 * ff_mediacodec_dec_flush returns 1 if the flush can actually be
877 * performed on the codec. The codec leaves the flushing state and can
878 * process again packets.
880 * ff_mediacodec_dec_flush returns a negative value if an error has
883 int ff_mediacodec_dec_flush(AVCodecContext *avctx, MediaCodecDecContext *s)
885 if (!s->surface || atomic_load(&s->refcount) == 1) {
888 /* No frames (holding a reference to the codec) are retained by the
889 * user, thus we can flush the codec and returns accordingly */
890 if ((ret = mediacodec_dec_flush_codec(avctx, s)) < 0) {
901 int ff_mediacodec_dec_close(AVCodecContext *avctx, MediaCodecDecContext *s)
903 ff_mediacodec_dec_unref(s);
908 int ff_mediacodec_dec_is_flushing(AVCodecContext *avctx, MediaCodecDecContext *s)